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a. Affording unobstructed entrance and exit; not shut or closed.
b. Affording unobstructed passage or view: open waters; the open countryside.
a. Having no protecting or concealing cover: an open wound; an open sports car.
b. Completely obvious; blatant: open disregard of the law.
c. Carried on in full view of others; not hidden or private: open warfare; open family strife.
d. Sports Not defended or not closely defended by an opponent: an open goal; an open receiver.
a. Not sealed or tied: an open envelope.
b. Spread out; unfolded: an open book.
4. Having interspersed gaps, spaces, or intervals: open ranks; an open weave.
a. Accessible to all; unrestricted as to participants: an open competition.
b. Free from limitations, boundaries, or restrictions: open registration.
c. Enterable by registered voters regardless of political affiliation: an open primary.
d. Computers Of or relating to a file that can be accessed.
a. Lacking effective regulation: an open town in which gambling predominated.
b. Not legally repressed: open drug trafficking.
a. Susceptible; vulnerable: open to interpretation; an issue that is open to question.
b. Willing to consider or deal with something: open to suggestions.
a. Available; obtainable: The job is still open.
b. Available for use: an open account; the only course open to us.
9. Ready to transact business: The store is open.
10. Not engaged or filled: has an open hour for emergency cases.
11. Not yet decided; subject to further thought: an open question.
a. Characterized by lack of secrecy or reserve; candid: Please be open with me. See Synonyms at frank1.
b. Free of prejudice; receptive to new ideas and arguments: She listened to the proposal with an open mind.
c. Generous: He is very open with his time.
13. Printing
a. Widely spaced or leaded. Used of typeset or other printed matter.
b. Having constituent elements separated by a space in writing or printing: The word sea lion is an open compound.
14. Music
a. Not stopped by a finger. Used of a string or hole of an instrument.
b. Produced by an unstopped string or hole or without the use of slides, valves, or keys: an open note on a trumpet.
c. Played without a mute: an open wind instrument.
15. Linguistics
a. Articulated with the tongue in a low position, as the vowel in far.
b. Ending in a vowel or diphthong: an open syllable.
16. Designating a method of punctuation in which commas and other marks are used sparingly.
17. Being in operation; live: an open microphone.
18. New England Clear. Used of weather. fair1
19. Electricity Containing a gap across which electricity cannot pass: an open circuit.
20. Mathematics
a. Of or relating to an interval containing neither of its endpoints.
b. Of or being a set such that at least one neighborhood of every point in the set is within the set.
c. Of or being a set that is the complement of a closed set.
21. Sports
a. Having the forward foot farther from the intended point of impact with the ball than the rear foot: an open batting stance.
b. Held or swung with the top or outer edge of the striking face pointing slightly farther away from the objective than the lower or inner edge: The club struck the ball with an open face, causing a slice.
22. Physics
a. Of or relating to an open system.
b. Of or relating to an open universe.
v. o·pened, o·pen·ing, o·pens
a. To make no longer closed or fastened: open a window.
b. To remove obstructions from; clear: open a drain.
a. To make or force an opening in: The surgeon opened the patient's chest.
b. To make (a hole or gap) in something: opened a hole in the levee.
c. To form spaces or gaps between: soldiers opening ranks.
d. To break the continuity of; make a gap in: open a circuit.
a. To remove the cover, cork, or lid from: open a jar.
b. To remove the wrapping from: open a package.
a. To move apart or unfold so that the inner parts are displayed; spread out: open a newspaper; open a book.
b. To part the lids or lips of: Open your eyes. Open your mouth.
a. To begin or form the start of; initiate: The scene that opens the novel.
b. To begin the operation of: open a new business.
c. To begin (the action in a game of cards) by making the first bid, placing the first bet, or playing the first lead.
6. To make available for use: opened the area to commercial development; opened the computer file and retrieved some data.
7. To make more responsive, understanding, or generous: a question that opened his mind to a different way of looking at the problem.
8. To make known to the public: opened the formerly classified files to reporters.
9. Sports To modify (one's stance), as in baseball or golf, so that it is open.
a. To perform as the first act of (a concert, for example): An up-and-coming rock group opened the music festival.
b. To perform prior to the main act of (a concert, for example): Two different bands opened the concert on Friday night.
1. To become no longer closed or fastened: The door opened slowly.
2. To draw apart; separate: The wound opened under pressure.
3. To spread apart; unfold: The tulips opened.
4. To come into view; become revealed: The plain opened before us.
5. To become responsive, understanding, or generous: His heart finally opened, and he understood her disappointment.
a. To be or serve as a beginning; commence: The meeting opened with a call to order.
b. To give an initial statement in a trial.
c. To begin business or operation: The store opens early on Saturday.
d. To be performed, shown, or made available to the public for the first time: The play opens next week.
e. To be priced or listed at a specified amount when trading begins: Shares opened high and fell sharply.
f. To make a bid, bet, or lead in starting a game of cards.
7. To give access: The room opens onto a terrace.
a. To perform as the first act of a multi-act performance: The singer was nervous to open for so many talented musicians.
b. To perform prior to the main act of a multi-act performance: The young comedians were thrilled to open for such a well-known standup comic.
1. An unobstructed area of land or water: sailed out of the harbor into the open.
2. The outdoors: camping in the open.
3. An undisguised or unconcealed state: brought the problem out into the open.
4. A tournament or contest in which both professional and amateur players may participate.
5. A beginning: Shares were down at the market open.
Phrasal Verb:
open up
1. To spread out; unfold: A green valley opened up before us.
2. To begin operation or start (something): The new store opens up next month. The band opened up the concert with an old favorite.
3. To begin firing: The artillery opened up at dawn.
4. Informal To speak freely and candidly: At last the frightened witness opened up and told the truth.
5. To make an opening in by cutting: The surgeon opened up the patient's chest.
6. To make available or accessible: open up new markets.
7. Informal To accelerate. Used of a motor vehicle.
8. Sports To get a sudden, insurmountable lead in (an athletic contest).
open fire
To begin firing a gun or guns.
open (one's) eyes
To become aware of the truth of a situation.

[Middle English, from Old English; see upo in Indo-European roots.]

o′pen·ly adv.
o′pen·ness n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. not closed or barred: the door is open.
2. affording free passage, access, view, etc; not blocked or obstructed: the road is open for traffic.
3. not sealed, fastened, or wrapped: an open package.
4. having the interior part accessible: an open drawer.
5. extended, expanded, or unfolded: an open newspaper; an open flower.
6. ready for business: the shops are open.
7. able to be obtained; available: the position advertised last week is no longer open.
8. unobstructed by buildings, trees, etc: open countryside.
9. free to all to join, enter, use, visit, etc: an open competition.
10. unengaged or unoccupied: the doctor has an hour open for you to call.
11. (Shooting) See open season
12. not decided or finalized: an open question.
13. ready to entertain new ideas; not biased or prejudiced: an open mind.
14. unreserved or candid: she was very open in her description.
15. liberal or generous: an open hand.
16. extended or eager to receive (esp in the phrase with open arms)
17. exposed to view; blatant: open disregard of the law.
18. liable or susceptible: you will leave yourself open to attack if you speak.
19. (of climate or seasons) free from frost; mild
20. (Nautical Terms) free from navigational hazards, such as ice, sunken ships, etc: open water.
21. US without legal restrictions or enforceable regulations, esp in relation to gambling, vice, etc: an open town.
22. without barriers to prevent absconding: an open prison.
23. having large or numerous spacing or apertures: open ranks.
24. full of small openings or gaps; porous: an open texture.
25. (Printing, Lithography & Bookbinding) printing (of type matter) generously leaded or widely spaced
26. (Classical Music) music
a. (of a violin or guitar string) not stopped with the finger
b. (of a pipe, such as an organ pipe) not closed at either end
c. (of a note) played on such a string or pipe
27. (Commerce) commerce
a. in operation; active: an open account.
b. unrestricted; unlimited: open credit; open insurance cover.
28. (Banking & Finance) See open cheque
29. (of a return ticket) not specifying a date for travel
30. (General Sporting Terms) sport
a. (of a goal, court, etc) unguarded or relatively unprotected: the forward missed an open goal.
b. (of a stance, esp in golf) characterized by the front of the body being turned forward
31. (Medicine) (of a wound) exposed to the air
32. (Medicine) (esp of the large intestine) free from obstruction
33. (Military) undefended and of no military significance: an open city.
34. (Phonetics & Phonology) phonetics
a. denoting a vowel pronounced with the lips relatively wide apart
b. denoting a syllable that does not end in a consonant, as in pa
35. (Chess & Draughts) chess (of a file) having no pawns on it
36. (Mathematics) maths (of a set) containing points whose neighbourhood consists of other points of the same set: points inside a circle are an open set.
37. (Computer Science) computing (of software or a computer system) designed to an internationally agreed standard in order to allow communication between computers, irrespective of size, manufacturer, etc
38. to move or cause to move from a closed or fastened position: to open a window.
39. (when: intr, foll by on or onto) to render, be, or become accessible or unobstructed: to open a road; to open a parcel; the door opens into the hall.
40. (intr) to come into or appear in view: the lake opened before us.
41. (Medicine) (tr) to puncture (a boil) so as to permit drainage
42. to extend or unfold or cause to extend or unfold: to open a newspaper.
43. to disclose or uncover or be disclosed or uncovered: to open one's heart.
44. to cause (the mind) to become receptive or (of the mind) to become receptive
45. to operate or cause to operate: to open a shop.
46. (when: intr, sometimes foll by out) to make or become less compact or dense in structure: to open ranks.
47. to set or be set in action; start: to open a discussion; to open the batting.
48. (Banking & Finance) (tr) to arrange for (a bank account, savings account, etc) usually by making an initial deposit
49. to turn to a specified point in (a book, magazine, etc): open at page one.
50. (Law) law to make the opening statement in (a case before a court of law)
51. (Card Games) (intr) cards to bet, bid, or lead first on a hand
52. the open any wide or unobstructed space or expanse, esp of land or water
53. See open air
54. (General Sporting Terms) sport a competition which anyone may enter
55. bring into the open to make evident or public
56. come into the open to become evident or public
[Old English; related to Old French open, epen, Old Saxon opan, Old High German offan]
ˈopenable adj
ˈopenly adv
ˈopenness n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈoʊ pən)
1. not closed or barred at the time, as a doorway or passageway by a door.
2. (of a door, window sash, or the like) set so as to permit passage through the opening it can be used to close.
3. having the interior immediately accessible, as a box with the lid raised.
4. relatively free of obstructions.
5. constructed so as not to be fully enclosed: an open boat.
6. having relatively large or numerous spaces, voids, or intervals: open ranks of soldiers.
7. relatively unoccupied by buildings, trees, etc.: open country.
8. not covered or closed; with certain parts apart: open eyes.
9. without a covering, esp. a protective covering; exposed: an open wound.
10. extended or unfolded: an open newspaper.
11. without restrictions as to who may participate: an open session.
12. accessible or available: Which job is open?
13. ready for or carrying on normal trade or business: The new store is now open.
14. not engaged or committed: open time.
15. exposed to general view or knowledge: open disregard of the rules.
16. unreserved, candid, or frank, as a person or speech.
17. generous, liberal, or bounteous: to give with an open hand.
18. liable or subject: open to question.
19. undecided; unsettled: several open questions.
20. without effective or enforced legal, commercial, or moral regulations: an open town.
21. unguarded by an opponent: An open receiver caught the pass.
22. noting the part of the sea beyond headlands or enclosing areas of land.
23. free of navigational hazards: an open coast.
24. not yet balanced or adjusted, as an account.
a. (of a vowel) articulated with a relatively large opening above the tongue or with a relatively large oral aperture, as the vowel sound of cot; low. Compare close (def. 50).
b. (of a syllable) ending with a vowel. Compare closed (def. 6).
26. (of a compound word) written with the constituent words separated by a space, as police officer.
27. Music. (of a string) not stopped by a finger.
28. Math. (of a set) consisting of points having neighborhoods wholly contained in the set, as the set of points within a circle.
29. (of a fabric or weave) so loosely constructed that spaces are visible between warp and filling yarns.
30. to move (a door, window sash, etc.) from a shut or closed position.
31. to render (a doorway, window, etc.) unobstructed.
32. to render the interior of (a box, drawer, etc.) readily accessible.
33. to make accessible or available: to open a port for trade.
34. to establish for business purposes or for public use: to open an office.
35. to set in action, begin, start, or commence (sometimes fol. by up): to open the bidding.
36. to uncover, lay bare, or expose to view.
37. to expand, unfold, or spread out: to open a map.
38. to make less compact or less closely spaced: to open ranks.
39. to disclose, reveal, or divulge.
40. to render (the mind) accessible to knowledge, sympathy, etc.
41. to make or produce (an opening): to open a way through a crowd.
42. to make an opening in.
43. Law. to revoke (a decree, judgment, etc.) esp. so as to hear further arguments.
44. to become open.
45. to afford access or have an opening to a place: a door that opens into a garden.
46. (of a building) to open its doors to the public.
47. to begin, start, or commence: The game opened with the national anthem.
48. to part or seem to part: The clouds opened.
49. to become disclosed or revealed.
50. to come into view; become more visible or plain.
51. (of the mind) to become receptive to knowledge, sympathy, etc.
52. to spread out or expand, as the hand or a fan.
53. to turn the pages of a book, newspaper, etc.: Open to page 22.
54. to spread or come apart; burst: The wound opened.
55. to become less compact or less closely spaced: The ranks began to open.
56. open up,
a. to make or become open.
b. to begin firing a gun, or the like.
c. to share or become willing to share one's feelings, confidences, etc.
57. an open or clear space.
58. the open air or the outdoors.
59. the open water, as of the sea.
60. an opening or aperture.
61. an opening or opportunity.
62. a contest or tournament in which both amateurs and professionals may compete.
[before 900; Middle English, Old English]
o′pen•ly, adv.
o′pen•ness, n.
syn: See frank1.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


  1. Closed [a newspaper] up like a surgeon closing an incision above an inoperable truth —Elizabeth Spencer
  2. The door is closed like the shutter of a stalled-out camera —Thomas McGuane
  3. It [a door] came [open] easy … like a ghost had blown it open from inside —Jay Parini
  4. Locked up tighter than Dick’s hatband —Richard Ford

    Ford’s simile used to describe a home business that’s not open, is a takeoff on the American colloquialism generally linked with stinginess.

    See Also: THRIFT

  5. Open and shut as if cast from the shadow of a fallen angel’s wing —Anon
  6. (The elevator doors) opened suavely, like an expensive cream sliding smoothly on a flawless face —Judith Martin
  7. (Let your mind) open like a clam when the waters slide back to feed it —Marge Piercy
  8. Opens like a summer rose —George Garrett
  9. (In love we) open wide as a house to a summer afternoon —Marge Piercy
  10. (Wake up please) open yourself like a little umbrella —Donald Justice
  11. (Our room was closed off and) sealed, like a grave inside a pyramid —Yehuda Amichai
  12. [Emotions] sewn up tighter than a Victorian daughter’s drawers —Roderic Jeffries
  13. Shut down (the long Minnesota winter) like the white lid of a box —F. Scott Fitzgerald
  14. Shut firmly in like a trunk locked up when the key is lost —Eibhlin Dhubh Ni Chonnaill
  15. [Window-blinds] shut like an eye that sleeps —H. G. Wells
  16. Shut tight as a drum —Anon
  17. Shut up like a rabbit trap —Noel Streatfeild
  18. (J. B’s face) shut with a snap like a rat-trap —Gavin Lyall
  19. (A world had opened and) was closing … like a curtain being silently drawn —John McGahern
Similes Dictionary, 1st Edition. © 1988 The Gale Group, Inc. All rights reserved.


Open can be a verb or an adjective.

1. used as a verb

If you open something such as a door, you move it so that it no longer covers a hole or gap.

She opened the door with her key.
He opened the window and looked out.

Be Careful!
When you use open with a person as the subject, you must put an object after it. Don't say, for example, 'I went to the door and opened'. You say 'I went to the door and opened it'.

I went to the front door, opened it, and looked out.
2. used as an adjective

When a door or window is not covering the hole or gap it is intended to cover, you say that it is open.

The door was open.
He was sitting by the open window of the office.

Be Careful!
When a door or window is in this position, don't say that it is 'opened'. Opened is the past form or -ed participle of the verb open. You only use it when you are describing the action of opening a door or window.

The front door was opened, then suddenly shut again.
3. used after other verbs

Open can be used after other verbs of position or movement.

The doors of the ninth-floor rooms hung open.
Bernard pushed the door fully open.
He noticed the way the drawer slid open.

Open is one of several words that can be used after verbs of position or movement like this. Others are closed, shut, free, loose, straight, and upright. These words are sometimes considered to be adverbs and sometimes adjectives.

Be Careful!
Don't use open as a verb or adjective to talk about electrical equipment. For example, if someone makes some electrical equipment work by pressing a switch or turning a knob, don't say that they 'open' it. Say that they put it on, switch it on or turn it on.

Do you mind if I put the light on?
I went across and switched on the TV.
I turned on the radio as I did every morning.
Collins COBUILD English Usage © HarperCollins Publishers 1992, 2004, 2011, 2012


Past participle: opened
Gerund: opening

I open
you open
he/she/it opens
we open
you open
they open
I opened
you opened
he/she/it opened
we opened
you opened
they opened
Present Continuous
I am opening
you are opening
he/she/it is opening
we are opening
you are opening
they are opening
Present Perfect
I have opened
you have opened
he/she/it has opened
we have opened
you have opened
they have opened
Past Continuous
I was opening
you were opening
he/she/it was opening
we were opening
you were opening
they were opening
Past Perfect
I had opened
you had opened
he/she/it had opened
we had opened
you had opened
they had opened
I will open
you will open
he/she/it will open
we will open
you will open
they will open
Future Perfect
I will have opened
you will have opened
he/she/it will have opened
we will have opened
you will have opened
they will have opened
Future Continuous
I will be opening
you will be opening
he/she/it will be opening
we will be opening
you will be opening
they will be opening
Present Perfect Continuous
I have been opening
you have been opening
he/she/it has been opening
we have been opening
you have been opening
they have been opening
Future Perfect Continuous
I will have been opening
you will have been opening
he/she/it will have been opening
we will have been opening
you will have been opening
they will have been opening
Past Perfect Continuous
I had been opening
you had been opening
he/she/it had been opening
we had been opening
you had been opening
they had been opening
I would open
you would open
he/she/it would open
we would open
you would open
they would open
Past Conditional
I would have opened
you would have opened
he/she/it would have opened
we would have opened
you would have opened
they would have opened
Collins English Verb Tables © HarperCollins Publishers 2011
ThesaurusAntonymsRelated WordsSynonymsLegend: - a clear or unobstructed space or expanse of land or wateropen - a clear or unobstructed space or expanse of land or water; "finally broke out of the forest into the open"
area, country - a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography); "it was a mountainous area"; "Bible country" - where the air is unconfinedopen - where the air is unconfined; "he wanted to get outdoors a little"; "the concert was held in the open air"; "camping in the open"
exterior, outside - the region that is outside of something - a tournament in which both professionals and amateurs may play
tournament, tourney - a sporting competition in which contestants play a series of games to decide the winner - information that has become public; "all the reports were out in the open"; "the facts had been brought to the surface"
general knowledge, public knowledge - knowledge that is available to anyone - cause to open or to become open; "Mary opened the car door"
unbar - remove a bar from (a door)
break open - open with force; "He broke open the picnic basket"
click open - open with a clicking sound; "These keys have clicked open many doors"
reopen - open again or anew; "They reopened the theater"
unlock - open the lock of; "unlock the door"
unbolt - undo the bolt of; "unbolt the door"
unseal - break the seal of; "He unsealed the letter"
uncork - draw the cork from (bottles); "uncork the French wine"
jimmy, lever, prise, pry, prize - to move or force, especially in an effort to get something open; "The burglar jimmied the lock": "Raccoons managed to pry the lid off the garbage pail"
gap, breach - make an opening or gap in
lance - open by piercing with a lancet; "lance a boil"
close, shut - move so that an opening or passage is obstructed; make shut; "Close the door"; "shut the window" - start to operate or function or cause to start operating or functioning; "open a business"
establish, found, launch, set up - set up or found; "She set up a literacy program"
close down, close up, shut down, close, fold - cease to operate or cause to cease operating; "The owners decided to move and to close the factory"; "My business closes every night at 8 P.M."; "close up the shop" - become open; "The door opened"
change state, turn - undergo a transformation or a change of position or action; "We turned from Socialism to Capitalism"; "The people turned against the President when he stole the election"
unfasten - become undone or untied; "The shoelaces unfastened"
fly open - come open suddenly; "the doors flew open in the strong gust"
close, shut - become closed; "The windows closed with a loud bang" - begin or set in action, of meetings, speeches, recitals, etc.; "He opened the meeting with a long speech"
embark on, start up, commence, start - get off the ground; "Who started this company?"; "We embarked on an exciting enterprise"; "I start my day with a good breakfast"; "We began the new semester"; "The afternoon session begins at 4 PM"; "The blood shed started when the partisans launched a surprise attack"
inaugurate - open ceremoniously or dedicate formally
call to order - open formally; "the chairman called the meeting to order by pounding his gavel"
pioneer, open up - open up an area or prepare a way; "She pioneered a graduate program for women students"
close - finish or terminate (meetings, speeches, etc.); "The meeting was closed with a charge by the chairman of the board" - spread out or open from a closed or folded stateopen - spread out or open from a closed or folded state; "open the map"; "spread your arms"
undo - cancel, annul, or reverse an action or its effect; "I wish I could undo my actions"
divaricate - spread apart; "divaricate one's fingers"
exfoliate - spread by opening the leaves of
grass - spread out clothes on the grass to let it dry and bleach
butterfly - cut and spread open, as in preparation for cooking; "butterflied shrimp"
uncross - change from a crossed to an uncrossed position; "She uncrossed her legs"
splay - spread open or apart; "He splayed his huge hands over the table" - make available; "This opens up new possibilities"
yield, afford, give - be the cause or source of; "He gave me a lot of trouble"; "Our meeting afforded much interesting information" - become available; "an opportunity opened up"
come up, arise - result or issue; "A slight unpleasantness arose from this discussion" - have an opening or passage or outlet; "The bedrooms open into the hall" - make the opening move; "Kasparov opened with a standard opening"
chess game, chess - a board game for two players who move their 16 pieces according to specific rules; the object is to checkmate the opponent's king
move, go - have a turn; make one's move in a game; "Can I go now?" - afford access toopen - afford access to; "the door opens to the patio"; "The French doors give onto a terrace" - display the contents of a file or start an application as on a computer
display, exhibit, expose - to show, make visible or apparent; "The Metropolitan Museum is exhibiting Goya's works this month"; "Why don't you show your nice legs and wear shorter skirts?"; "National leaders will have to display the highest skills of statesmanship"
close - cause a window or an application to disappear on a computer desktop - affording unobstructed entrance and exitopen - affording unobstructed entrance and exit; not shut or closed; "an open door"; "they left the door open"
open - affording free passage or access; "open drains"; "the road is open to traffic"; "open ranks"
shut, unopen, closed - not open; "the door slammed shut" - affording free passage or access; "open drains"; "the road is open to traffic"; "open ranks"
open, unfastened - affording unobstructed entrance and exit; not shut or closed; "an open door"; "they left the door open"
unsealed - not closed or secured with or as if with a seal; "unsealed goods"; "the letter arrived unsealed"
closed - not open or affording passage or access; "the many closed streets made travel difficult"; "our neighbors peeped from behind closed curtains" - with no protection or shield; "the exposed northeast frontier"; "open to the weather"; "an open wound"
unprotected - lacking protection or defense - open to or in view of all; "an open protest"; "an open letter to the editor"
public - not private; open to or concerning the people as a whole; "the public good"; "public libraries"; "public funds"; "public parks"; "a public scandal"; "public gardens"; "performers and members of royal families are public figures" - used of mouth or eyes; "keep your eyes open"; "his mouth slightly opened"
shut, closed - used especially of mouth or eyes; "he sat quietly with closed eyes"; "his eyes were shut against the sunlight" - not having been filled; "the job is still open"
available - obtainable or accessible and ready for use or service; "kept a fire extinguisher available"; "much information is available through computers"; "available in many colors"; "the list of available candidates is unusually long" - accessible to all; "open season"; "an open economy"
unrestricted - not subject to or subjected to restriction - not defended or capable of being defendedopen - not defended or capable of being defended; "an open city"; "open to attack"
vulnerable - susceptible to attack; "a vulnerable bridge" - (of textures) full of small openings or gaps; "an open texture"; "a loose weave"
coarse, harsh - of textures that are rough to the touch or substances consisting of relatively large particles; "coarse meal"; "coarse sand"; "a coarse weave" - having no protecting cover or enclosure; "an open boat"; "an open fire"; "open sports cars"
unenclosed - not closed in our surrounded or included; "an unenclosed porch"; "unenclosed common land" - (set theory) of an interval that contains neither of its endpoints
math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
closed - (set theory) of an interval that contains both its endpoints - not brought to a conclusionopen - not brought to a conclusion; subject to further thought; "an open question"; "our position on this bill is still undecided"; "our lawsuit is still undetermined"
unsettled - still in doubt; "an unsettled issue"; "an unsettled state of mind" - not sealed or having been unsealed; "the letter was already open"; "the opened package lay on the table"
unsealed - not closed or secured with or as if with a seal; "unsealed goods"; "the letter arrived unsealed" - without undue constriction as from e.g. tenseness or inhibition; "the clarity and resonance of an open tone"; "her natural and open response"
unconstricted - not constricted physically or by extension psychologically; "healthy unconstricted arteries" - ready or willing to receive favorably; "receptive to the proposals" - open and observable; not secret or hidden; "an overt lie"; "overt hostility"; "overt intelligence gathering"; "open ballots"
explicit, expressed - precisely and clearly expressed or readily observable; leaving nothing to implication; "explicit instructions"; "she made her wishes explicit"; "explicit sexual scenes"
public - not private; open to or concerning the people as a whole; "the public good"; "public libraries"; "public funds"; "public parks"; "a public scandal"; "public gardens"; "performers and members of royal families are public figures"
unconcealed - not concealed or hidden; "her unconcealed hostility poisoned the atmosphere"; "watched with unconcealed curiosity" - not requiring union membership; "an open shop employs nonunion workers"
nonunion - not belonging to or not allowing affiliation with a trade union; "nonunion carpenters"; "a nonunion contractor" - possibly accepting or permitting; "a passage capable of misinterpretation"; "open to interpretation"; "an issue open to question"; "the time is fixed by the director and players and therefore subject to much variation"
susceptible - (often followed by `of' or `to') yielding readily to or capable of; "susceptible to colds"; "susceptible of proof" - affording free passage or view; "a clear view"; "a clear path to victory"; "open waters"; "the open countryside"
unobstructed - free from impediment or obstruction or hindrance; "an unobstructed view" - openly straightforward and direct without reserve or secretiveness; "his candid eyes"; "an open and trusting nature"; "a heart-to-heart talk"
artless, ingenuous - characterized by an inability to mask your feelings; not devious; "an ingenuous admission of responsibility" - ready for business; "the stores are open"
active - full of activity or engaged in continuous activity; "an active seaport"; "an active bond market"; "an active account"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


1. unfasten, unlock, unclasp, throw wide, unbolt, opN (S.M.S.), unbar, unclose He opened the window and looked out.
unfasten close, lock, shut, fasten
2. unwrap, uncover, undo, unravel, untie, unstrap, unseal, unlace, opN (S.M.S.) The Inspector opened the parcel.
unwrap wrap, seal
3. uncork, crack (open), broach, opN (S.M.S.) Let's open another bottle of wine.
4. unfold, spread (out), expand, stretch out, unfurl, unroll, opN (S.M.S.) When you open the map, you will find it is divided into squares.
unfold fold
5. clear, unblock, opN (S.M.S.) Police have opened the road again after the crash.
clear block, shut, obstruct
6. undo, loosen, unbutton, unfasten, opN (S.M.S.) He opened his shirt to show me his scar.
undo fasten, do up
7. begin business, start trading, begin trading, admit customers, opN (S.M.S.) The new shopping complex opens tomorrow.
8. start, begin, launch, trigger, kick off (informal), initiate, commence, get going, instigate, kick-start, inaugurate, set in motion, get (something) off the ground (informal), enter upon, opN (S.M.S.) They are now ready to open negotiations.
start end, close, finish, conclude, terminate
9. begin, start, commence, opN (S.M.S.) The service opened with a hymn.
begin end, close, finish, conclude
10. split, break, separate, crack, burst, break up, give way, gape, rupture, come apart, opN (S.M.S.) The ground opened beneath his feet.
11. reveal, bare, exhibit, disclose, divulge, lay bare, expose to view, opN (S.M.S.) He really opened his heart to me.
1. unclosed, unlocked, ajar, unfastened, yawning, gaping, unlatched, unbolted, partly open, unbarred, opN (S.M.S.), off the latch an open door
unclosed closed, locked, shut, fastened
2. unsealed, unstoppered, opN (S.M.S.) an open bottle of milk
unsealed sealed, unopened
3. extended, expanded, unfolded, stretched out, spread out, unfurled, straightened out, unrolled, opN (S.M.S.) A newspaper lay open on the coffee table.
extended shut, folded
6. receptive, welcoming, sympathetic, responsive, amenable, opN (S.M.S.) He seems open to suggestions.
7. susceptible, subject, exposed, vulnerable, in danger, disposed, liable, wide open, unprotected, at the mercy of, left open, laid bare, an easy target for, undefended, laid open, defenceless against, unfortified, opN (S.M.S.) They left themselves open to accusations of double standards.
susceptible protected, defended
8. unresolved, doubtful, unsettled, unanswered, undecided, debatable, unsolved, up in the air, moot, arguable, yet to be decided, opN (S.M.S.) It is an open question how long his commitment will last.
9. clear, free, passable, uncluttered, unhindered, unimpeded, navigable, unobstructed, unhampered, opN (S.M.S.) The emergency services will do their best to keep the highway open.
clear obstructed
10. unenclosed, wide, rolling, sweeping, exposed, extensive, bare, spacious, wide-open, undeveloped, uncrowded, unfenced, not built-up, unsheltered, opN (S.M.S.) Police will continue their search of nearby open ground.
unenclosed covered, limited, crowded, bounded, restricted, confined, enclosed, built-up
11. undone, gaping, unbuttoned, unzipped, agape, unfastened, opN (S.M.S.) Her blouse was open to the waist.
undone fastened, done up
12. available, to hand, accessible, handy, vacant, on hand, obtainable, attainable, at your fingertips, at your disposal, opN (S.M.S.) There are a wide range of career opportunities open to young people.
14. vacant, free, available, empty, up for grabs (informal), unoccupied, unfilled, unengaged, opN (S.M.S.) The job is still open.
15. generous, kind, liberal, charitable, benevolent, prodigal, bountiful, open-handed, unstinting, beneficent, bounteous, munificent, ungrudging, opN (S.M.S.) the public's open and generous response to the appeal
16. gappy, loose, lacy, porous, honeycombed, spongy, filigree, fretted, holey, openwork Ciabatta has a distinctive crisp crust and open texture.
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002


1. Free from obstructions:
2. Having no protecting or concealing cover:
3. Not restricted or confined to few:
5. Ready and willing to receive favorably, as new ideas:
7. Not spoken for or occupied:
8. Marked by lack of firm decision or commitment; of questionable outcome:
1. To become or cause to become open:
2. To rid of obstructions:
3. To move or arrange so as to cover a larger area.Out or up:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
otvorenotvoritiotvoriti se
auîur, bersvæîibyrja, hefjaeinlægur, hreinskilinnopinber, opinskáropinn
(...을) 열다열린
mởmở cửa


The baker's is open on Sunday morning → La boulangerie est ouverte le dimanche matin.
The bank won't be open for another half-hour → La banque n'ouvrira pas avant une demi-heure.
to be wide open [window, door] → être grand ouvert
open to the public [building] → ouvert au public
open to the public seven days a week → ouvert au public 7 jours sur 7
[mouth] → ouvert(e)
with an open mouth → bouche bée
with one's mouth open (in surprise)bouche bée
[car] → découvert(e)
[road, view] → dégagé(e)
The road stretched across open country → La route s'étirait à travers la campagne.
in the open air → à l'air libre
Dry clothes in the open air, if possible → Faites sécher les vêtements à l'air libre si possible.
on the open sea → en pleine mer
a small boat adrift on the open sea → un petit bateau à la dérive en pleine mer
[meeting] → public/ique
in open session → en session ouverte
[admiration] → manifeste
[enemy] → déclaré(e)
to have an open mind → avoir l'esprit ouvert
to have an open mind on sth → avoir l'esprit ouvert sur qch
[person, nature] (= frank) → ouvert(e)
Judy had an open and trusting nature → Judy était d'un caractère ouvert et confiant.
to be open with sb → être franc avec qn
Let's be open with each other for a change → Soyons francs pour changer.
to be open to sth [person] [+ suggestions, ideas] → être ouvert à qch
We are open to suggestions → Nous sommes ouverts aux suggestions.
to be open to sth (= susceptible to) [+ abuse, criticism] [thing] → se prêter à qch; [person] → s'exposer à qch
She may be open to criticism → Elle pourrait maintenant s'exposer à des critiques.
open to competition [market] → ouvert à la concurrence
(= available) [job, vacancy] → vacant(e)
to be open to sb [opportunity, option] → être offert à qn
We should use all the opportunities open to us → Nous devrions saisir toutes les occasions qui nous sont offertes.
He was selected by open competition, not by patronage → Il a été recruté à l'issue d'un processus de sélection et non par recommandation.
to put a contract out to open competition → faire un appel d'offres public open fire, open ground
(= outside) in the open → en plein air
out in the open → en plein air
to sleep out in the open → dormir à la belle étoile
The children enjoyed sleeping out in the open → Les enfants aimaient bien dormir à la belle étoile.
in the open (= not secret) → au grand jour
[+ door, window] → ouvrir; [+ box, can, bottle] → ouvrir; [+ book, letter] → ouvrir; [+ computer file] → ouvrir; [+ mouth, eyes] → ouvrir
Can I open the window? → Est-ce que je peux ouvrir la fenêtre?
to open one's mouth (= speak) → ouvrir la bouche
(= inaugurate) [+ new building] → inaugurer
[+ bank account] → ouvrir
to open an account → ouvrir un compte
[door, window] → s'ouvrir; [mouth, eyes] → s'ouvrir; [umbrella] → s'ouvrir; [flower] → s'ouvrir
The door opens automatically → La porte s'ouvre automatiquement.
The door opened and in came the teacher → La porte s'est ouverte et le professeur est entré.
[shop, bank, museum] → ouvrir
What time do the shops open? → Les magasins ouvrent à quelle heure?
(= start) [debate] → s'ouvrir
to open with [book, chapter] → s'ouvrir sur
open on to
vt fus [room, door] → donner sur
open out
vt sep
[+ layer, fold] → ouvrir
[+ ideas] → élargir; [+ discussion] → ouvrir
[thing] → s'ouvrir
to open out into sth → s'ouvrir sur qch
[person] (= be more forthcoming) → s'ouvrir
open up
vt sep
[+ shop] → ouvrir; [+ market] → ouvrir
[+ blocked road] → dégager
[+ possibilities, opportunities] → ouvrir

Open up! It's freezing out here → Ouvrez! On gèle dehors.
[place, economy] → s'ouvrir
[opportunities, possibilities] → s'ouvrir
[person] (= be forthcoming) → s'ouvriropen-air [ˌəʊpənˈɛər] adjen plein airopen-and-shut [ˌəʊpənənˈʃʌt] adj
It's an open-and-shut case → C'est une affaire on ne peut plus claire.
an open-and-shut case of sth → un cas flagrant de qch
Collins English/French Electronic Resource. © HarperCollins Publishers 2005


door, bottle, book, eye, flower etcoffen, auf pred, → geöffnet; circuitoffen; lines of communicationfrei; wound etcoffen; to keep/hold the door opendie Tür offen lassen or auflassen/offen halten or aufhalten; to fling or throw the door opendie Tür aufstoßen; I can’t keep my eyes openich kann die Augen nicht offen halten or aufhalten; the window flew opendas Fenster flog auf; the thugs split his head opendie Schläger brachten ihm eine klaffende Wunde am Kopf bei; his defeat blew the competition wide opendurch seine Niederlage war der Ausgang des Wettbewerbs weit offen; he threatened to blow the operation wide open (= reveal sth secret)er drohte damit, die Aktion offenzulegen; a shirt open at the neckein am Hals offenes Hemd
(= open for business: shop, bank etc) → geöffnet; the baker/baker’s shop is opender Bäcker hat/der Bäckerladen ist or hat geöffnet or hat auf (inf)
(= not enclosed)offen; country, groundoffen, frei; viewfrei; carriage, caroffen, ohne Verdeck; in the open airim Freien; on open groundauf offenem or freiem Gelände; (= waste ground)auf unbebautem Gelände
(= not blocked) Lingoffen; road, canal, poresoffen, frei (to für), geöffnet; rail track, riverfrei (to für); (Mus) stringleer; pipeoffen; open noteGrundton m; have you had your bowels open today? (Med form) → haben Sie heute Stuhlgang gehabt?; open to traffic/shippingfür den Verkehr/die Schifffahrt freigegeben; “road open to traffic”Durchfahrt frei“
(= officially in use) buildingeingeweiht; road, bridge(offiziell) freigegeben; exhibitioneröffnet; to declare something openetw einweihen/freigeben/für eröffnet erklären
(= not restricted, accessible) letter, scholarshipoffen; market, competitionoffen, frei; (= public) meeting, trialöffentlich; to be open to somebody (competition, membership, possibility) → jdm offenstehen; (admission) → jdm freistehen; (place) → für jdn geöffnet sein; (park) → jdm zur Verfügung stehen; my house is always open to youmein Haus steht dir immer offen; the director’s door is always opendie Tür des Direktors ist immer offen; in open court (Jur) → in öffentlicher Verhandlung; open to the publicder Öffentlichkeit zugänglich; park open to the publicöffentlicher Park; open forumöffentliches Forum; she gave us an open invitation to visitsie lud uns ein, jederzeit bei ihr vorbeizukommen; an unlocked window is an open invitation to a thiefein unverschlossenes Fenster lädt geradezu zum Diebstahl ein
to be open to advice/suggestions/ideasRatschlägen/Vorschlägen/Ideen zugänglich sein or gegenüber offen sein; I’m open to persuasionich lasse mich gern überreden; I’m open to offersich lasse gern mit mir handeln or reden; open to bribesBestechungen zugänglich
(= not filled) evening, timefrei; job, postfrei, offen
(= not concealed) campaign, secret, resistanceoffen; hostilityoffen, unverhüllt
(= not decided or settled) questionoffen, ungeklärt, ungelöst; they left the matter opensie ließen die Angelegenheit offen or ungeklärt; to keep one’s options openes offenlassen; to keep an open mindalles offenlassen; (judge, jury) → unvoreingenommen sein; to have an open mind on somethingeiner Sache (dat)aufgeschlossen gegenüberstehen; keep your mind open to new suggestionsverschließen Sie sich neuen Vorschlägen nicht; to be open to debatezur Debatte stehen
(= exposed, not protected) (Mil) townoffen; coastungeschützt; a position open to attackeine exponierte or leicht angreifbare Position; open to the elementsWind und Wetter ausgesetzt; to be open to criticism/attackder Kritik/Angriffen ausgesetzt sein; to lay oneself open to criticism/attacksich der Kritik/Angriffen aussetzen; he left himself wide open to criticismer setzte sich breiter Kritik aus; a theory open to criticismeine anfechtbare Theorie; to be open to abusesich leicht missbrauchen lassen; to be open to doubtanzweifelbar sein
weavelocker; fabric, patterndurchbrochen
(= frank) character, face, personoffen, aufrichtig; he was open with user war ganz offen mit uns
n in the open (= outside)im Freien; (= on open ground)auf freiem Feld; it’s all out in the open nownun ist alles heraus (inf), → nun ist es alles zur Sprache gekommen; to bring something out into the openmit etw nicht länger hinterm Berg halten; to come out into the open (fig, person) → Farbe bekennen, sich erklären; (affair) → herauskommen; he eventually came out into the open about what he meant to doer rückte endlich mit der Sprache heraus (inf), → was er tun wollte; to force somebody out into the openjdn zwingen, sich zu stellen; (fig)jdn zwingen, Farbe zu bekennen; to force something out into the open (fig)etw zur Sprache bringen
door, mouth, bottle, letter etcöffnen, aufmachen (inf); bookaufschlagen, öffnen; newspaperaufschlagen; throttle, circuitöffnen; he didn’t open his mouth onceer hat kein einziges Mal den Mund aufgemacht (inf); to open ranks (Mil) → weg- or abtreten
(officially) exhibitioneröffnen; buildingeinweihen; motorway(für den Verkehr) freigeben
regionerschließen; they opened a road through the mountainsdurch die Berge wurde eine Straße gebaut
(= reveal, unfold)öffnen; to open one’s heart to somebodysich jdm eröffnen (geh), → jdm sein Herz aufschließen (geh); to open somebody’s mindjds Horizont erweitern; open your mind to new possibilitiesöffnen Sie sich (dat)den Blick für neue Möglichkeiten; it had opened new horizons for himdadurch erschlossen sich ihm neue Horizonte
(= start) case, trial, accounteröffnen; debate, conversation etcbeginnen
(= set up) shoperöffnen, aufmachen (inf); schooleinrichten
(Med) poresöffnen; to open the bowels (person) → Stuhlgang haben; (medicine) → abführen
to open fire (Mil) → das Feuer eröffnen (→ on auf +acc)
aufgehen; (eyes)sich öffnen; (door, flower, book, wound, pores, window)sich öffnen, aufgehen; I couldn’t get the box/bottle to openich habe die Schachtel/Flasche nicht aufbekommen; it won’t openes geht nicht auf
(shop, museum)öffnen, aufmachen
(= afford access: door) → führen (→ into in +acc); the two rooms open into one anotherdiese zwei Zimmer sind durch eine Tür verbunden ? also open on to
(= start)beginnen (with mit); (Cards, Chess) → eröffnen; the play opens next weekdas Stück wird ab nächster Woche gegeben; when the play opened in Hullbei der ersten Vorstellung in Hull


open-access library
n (Brit) → Freihandbibliothek f
adjim Freien
open-air concert
nFreilichtkonzert nt
open-air performance
nFreilichtaufführung f, → Open-Air-Aufführung f
open-air swimming pool
nFreibad nt
open-air theatre, (US) open-air theater
adjsimpel; it’s an open casees ist ein glasklarer Fall
adj coal mineüber Tage pred; open miningTagebau m
open cheque
n (Brit) → Barscheck m
adj (US) = open-cast
open day
n (Brit) → Tag mder offenen Tür
adj open policyPolitik fder Offenheit or der offenen Tür
(lit) box, tube, barrel(an einer Seite) offen
(fig) contractoffen, zeitlich nicht begrenzt; offer, commitmentunbegrenzt; discussionalles offenlassend attr; subject, categoryendlos, uferlos; this question/subject is openüber diese Frage/dieses Thema kann man endlos weiterdiskutieren
open enrollment
n (US Univ) Einschreibung ohne Zulassungsvoraussetzungen


adjmit weit offenen Augen
open-face sandwich
n (US) → belegtes Brot
open government
adj (Tech) open furnaceHerdofen m; open processSiemens-Martin-Verfahren nt
open-heart surgery
nEingriff mam offenen Herzen
open house
n it’s open theredas ist ein gastfreundliches Haus, das ist ein Haus der offenen Tür; to keep openein offenes Haus führen
open housing
n (US) Wohnraumvergabe ohne (Rassen)diskriminierung


adj (in surprise or stupidity) → mit offenem Mund, baff pred (inf); she stood in open amazementsie sperrte vor Staunen den Mund auf
adj shirtmit offenem Kragen


adj flat etcoffen angelegt; open officeGroßraumbüro nt
open prison
open sandwich
n (Brit) → belegtes Brot
open season
n (Hunt) → Jagdzeit f
open-shelf library
n (US) → Freihandbibliothek f
open shop
nOpen Shop m; we have an openwir haben keinen Gewerkschaftszwang
open-stack library
n (US) → Freihandbibliothek f
adj busmit offenem Oberdeck; carmit offenem Verdeck
Open University
n (Brit) → Fernuniversität f; to do an open courseein Fernstudium machen or absolvieren
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007


1. adj
a. (gen) → aperto/a; (flower) → aperto/a, sbocciato/a
wide open (door, window) → spalancato/a
half open, slightly open → socchiuso/a
open at the neck → col colletto sbottonato
to welcome with open arms → accogliere a braccia aperte
to cut a sack open → aprire un sacco con un taglio
to keep open house (fig) → aprire la propria casa a tutti
open to the public on Mondays → aperto/a al pubblico di lunedì
b. (fig) (letter) → aperto/a; (water, channel) → navigabile; (cheque) → in bianco
in the open air → all'aria aperta
on the open road → su autostrada
road open to traffic → strada aperta al traffico or transitabile
open to the elements/to attack → esposto/a alle intemperie/all'attacco
open country → aperta campagna
open ground (among trees) → radura (waste ground) → terreno non edificato
the open sea → il mare aperto
to lay o.s. open to criticism → esporsi alle critiche
open to persuasion → disposto/a a lasciarsi convincere
it is open to doubt whether ... → è in dubbio se...
c. (competition, scholarship) → aperto/a a tutti; (meeting) → pubblico/a; (trial) → a porte aperte
what choices are open to me? → che scelta ho?
the post is still open → il posto è sempre vacante
in open court (Law) → a porte aperte
d. (person, face) → aperto/a; (hatred, admiration) → evidente, palese; (enemy) → dichiarato/a
it's an open secret that ... → è il segreto di Pulcinella che...
in open revolt → in aperta rivolta
to be open with sb → essere franco/a con qn
e. (undecided, question) → aperto/a
the race was still wide open → la gara era ancora tutta da giocare
open verdict → dichiarazione di morte per cause non accertate
open ticket → biglietto aperto
to have an open mind (on sth) → non avere ancora deciso (su qc)
to leave the matter open → lasciare la faccenda in sospeso
a. n out in the open (out of doors) → fuori, all'aperto; (in the country) → in campagna, all'aperto
their true feelings came into the open → vennero a galla i loro veri sentimenti
b. (Golf, Tennis) the Australian Openl'open m inv di Australia
3. vt (gen) → aprire; (legs) → divaricare
to open sth wide → spalancare qc
to open a road to traffic → aprire al traffico una strada
to open a road through a forest → aprire una strada nella foresta
to open Parliament → aprire i lavori parlamentari
to open a bank account → aprire un conto in banca
to open fire (Mil) → aprire il fuoco
I didn't open my mouth → non ho aperto bocca
to open one's heart to sb → confidarsi con qn
to open one's mind to sth → aprirsi con qc
4. vi
a. (eyes, door, debate) → aprirsi; (shop, bank, museum) → aprire
the shops open at 9 → i negozi aprono alle 9
to open onto or into → dare su
b. (begin, book, film) → cominciare (Cards, Chess) → aprire
the play opens next Monday → la prima della commedia è lunedì prossimo
the book opens with a long description → il libro comincia con una lunga descrizione
open out
1. vt + adv (unfold) → aprire, spiegare
2. vi + advaprirsi, dischiudersi
open up
1. vt + advaprire; (blocked road) → sgombrare
to open up a country for trade → aprire il mercato di un paese
2. vi + adv
a. (flower, shop) → aprirsi
b. (start shooting) → aprire il fuoco
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995


(ˈəupən) adjective
1. not shut, allowing entry or exit. an open box; The gate is wide open.
2. allowing the inside to be seen. an open book.
3. ready for business etc. The shop is open on Sunday afternoons; After the fog had cleared, the airport was soon open again; The gardens are open to the public.
4. not kept secret. an open show of affection.
5. frank. He was very open with me about his work.
6. still being considered etc. Leave the matter open.
7. empty, with no trees, buildings etc. I like to be out in the open country; an open space.
1. to make or become open. He opened the door; The door opened; The new shop opened last week.
2. to begin. He opened the meeting with a speech of welcome.
ˈopener noun
something that opens (something). a tin-opener.
ˈopening noun
1. a hole; a clear or open space. an opening in the fence/forest.
2. a beginning. the opening of the film; (also adjective) the chairman's opening remarks.
3. the act of becoming or making open, the ceremony of making open. the opening of a flower/shop/door; the opening of the new theatre.
4. an opportunity for work. There are good openings in the automobile industry.
ˈopenly adverb
frankly. She talked very openly about it.
ˈopen-air adjective
outside. an open-air meeting.
ˌopen-ˈminded adjective
willing to consider new ideas. an open-minded approach to the problem.
ˌopen-ˈplan adjective
(of a building) built with few walls inside. an open-plan office.
be an open secret
to be known to many people although supposed to be a secret. It's an open secret that she's getting married next week.
bring (something) out into the open
to make (something) public. This affair has been kept a secret for too long – it's time it was brought out into the open.
in the open
outside; in the open air. It's very healthy for children to be able to play in the open.
in the open air
not in a building. If it doesn't rain, we'll have the party in the open air.
keep/have an open mind
to have a willingness to listen to or accept new ideas, other people's suggestions etc (eg before making a decision). It doesn't seem to be a very good plan, but I think we should keep an open mind about it for the time being.
open on to
(of a door etc) to open towards. Our front door opens straight on to the street.
the open sea
any area of sea far from land. When they reached the open sea, they were faced with large waves.
open to
1. likely or willing to receive. open to charges of corruption; open to suggestions from any member of staff.
2. possible. There are only two courses of action open to us.
open up
1. to open (a shop etc). I open up the shop at nine o'clock every morning.
2. to open (a box etc) completely. He opened up the parcel.
3. to open the (main) door of a building etc. `Open up!' shouted the policeman. `We know you are in there!'
with open arms
in a very friendly way. They received their visitors with open arms.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.


مَفْتُوحٌ, يَفْتَحُ, يُفْتَحُ otevírat, otevřený, otevřít åben, åbne offen, öffnen ανοίγω, ανοικτός abierto, abrir aueta, avata, avoin ouvert, ouvrir otvoren, otvoriti, otvoriti se aperto, aprire 開いた, 開く, 開ける (...을) 열다, 열다, 열린 open, openen, opengaan åpen, åpne otwarty, otwierać, otworzyć aberto, abrir открывать, открываться, открытый öppen, öppna เปิด, เปิดออก açık, açılmak, açmak mở, mở cửa 开着的, 打开, 营业
Multilingual Translator © HarperCollins Publishers 2009


a. abierto-a, descubierto-a, destapado-a, libre de paso;
___ heart surgeryoperación a corazón ___;
v. abrir, descubrir, destapar, abrir paso; cortar, rajar.
English-Spanish Medical Dictionary © Farlex 2012
Collins Multilingual Translator © HarperCollins Publishers 2009


vt, vi abrir(se); Open your mouth..Abra la boca.
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in classic literature ?
"Won't you, at least, open the door for me?" cried Pinocchio in a beseeching voice.
But all the estuaries of great rivers have their fascination, the attractiveness of an open portal.
"Mynheer President, -- The black tulip is about to open, perhaps in ten minutes.
As he pushed this open he met his wife, who was crossing the passage from the parlor to the library.
Faria has dreamed this; the Cardinal Spada buried no treasure here; perhaps he never came here, or if he did, Caesar Borgia, the intrepid adventurer, the stealthy and indefatigable plunderer, has followed him, discovered his traces, pursued them as I have done, raised the stone, and descending before me, has left me nothing." He remained motionless and pensive, his eyes fixed on the gloomy aperture that was open at his feet.
We were surprised that, after moving as far as we had along the valley, we should still meet with the same impervious thickets; and thinking, that although the borders of the stream might be lined for some distance with them, yet beyond there might be more open ground, I requested Toby to keep a bright look-out upon one side, while I did the same on the other, in order to discover some opening in the bushes, and especially to watch for the slightest appearance of a path or anything else that might indicate the vicinity of the islanders.
After an early breakfast, he sat at the open window watching the kite and thinking of many things.
Generally, when we can proceed no further, we have return still open to us; but here return was as impossible as advance, for every pass had closed behind us; and for the few moments when we were stationary, we were likely to be entirely blocked, which did indeed happen about two o'clock in the afternoon, the fresh ice forming around its sides with astonishing rapidity.
Evidently satisfied, he issued a few words of instruction to those behind him, whereupon half the warriors returned to the interior of the building, while the other half followed the man stealthily through the gateway where they crouched low among the shrubbery in a half circle just north of the gateway which they had left open. Here they waited in utter silence, nor had they long to wait before Turan the panthan came cautiously along the base of the wall.
Thus was the little company divided into two camps, and when the provisions had been apportioned each immediately set to work to open and distribute food and water.
Anne went back to her room, and waited near the open door--ready to close and fasten it instantly if any thing occurred to alarm her.
Rouletabille having pushed open the door of The Yellow Room paused on the threshold saying, with an emotion which I only later understood, "Ah, the perfume of the lady in black!"