blind (redirected from Double blind trial)

blind  (blnd)

adj. blind·er, blind·est

1.

a. Sightless.

b. Having a maximal visual acuity of the better eye, after correction by refractive lenses, of one-tenth normal vision or less (20/200 or less on the Snellen test).

c. Of, relating to, or for sightless persons.

2.

a. Performed or made without the benefit of background information that might prejudice the outcome or result: blind taste tests used in marketing studies.

b. Performed without preparation, experience, or knowledge: made a blind stab at answering the question.

c. Performed by instruments and without the use of sight: blind navigation.

3. Unable or unwilling to perceive or understand: blind to a lover's faults.

4. Not based on reason or evidence; unquestioning: put blind faith in their leaders.

5. Slang Drunk.

6. Lacking reason or purpose: blind fate; blind choice.

7.

a. Difficult to comprehend or see; illegible.

b. Incompletely or illegibly addressed: blind mail.

c. Hidden from sight: a blind seam.

d. Screened from the view of oncoming motorists: a blind driveway.

e. Secret or otherwise undisclosed: a blind item in a military budget.

8. Closed at one end: a blind socket; a blind passage.

9. Having no opening: a blind wall.

10. Botany Failing to produce flowers or fruits: a blind bud.

n.

1. (used with a pl. verb) Blind people considered as a group. Used with the: a radio station for reading to the blind.

2. Something, such as a window shade or a Venetian blind, that hinders vision or shuts out light.

3. A shelter for concealing hunters or nature photographers.

4. Something intended to conceal the true nature, especially of an activity; a subterfuge.

adv.

1.

a. Without seeing; blindly.

b. Without the aid of visual reference: flew blind through the fog.

2. Without forethought or provision; unawares: entered into the scheme blind.

3. Without significant information, especially that might affect an outcome or result: "When you read blind, you see everything but the author" Margaret Atwood.

4. Informal Into a stupor: drank themselves blind.

5. Used as an intensive: Thieves in the bazaar robbed us blind.

tr.v. blind·ed, blind·ing, blinds

1. To deprive of sight: was blinded in an industrial accident.

2. To dazzle: skiers temporarily blinded by sunlight on snow.

3. To deprive of perception or insight: prejudice that blinded them to the merits of the proposal.

4. To withhold light from: Thick shrubs blinded our downstairs windows.

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[Middle English, from Old English; see bhel-¹ in Indo-European roots.]

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blinding·ly adv.

blindly adv.

blindness n.

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blind

Adjective

1. unable to see

2. unable or unwilling to understand: she is blind to his faults

3. not determined by reason: blind hatred

4. acting or performed without control or preparation

5. done without being able to see, relying on instruments for information

6. hidden from sight: a blind corner

7. closed at one end: a blind alley

8. completely lacking awareness or consciousness: a blind stupor

9. having no openings: a blind wall

Adverb

1. without being able to see ahead or using only instruments: flying blind

2. without adequate information: we bought the house blind

3. blind drunk Informal very drunk

Verb

1. to deprive of sight permanently or temporarily

2. to deprive of good sense, reason, or judgment

3. to darken; conceal

4. to overwhelm by showing detailed knowledge: he tried to blind us with science

Noun

1. a shade for a window

2. any obstruction or hindrance to sight, light, or air

3. a person, action, or thing that serves to deceive or conceal the truth [Old English]

blinding adj
blindly adv
blindness n

USAGE: See at disabled.

Thesaurus

Noun	1.	blind - people who have severe visual impairments, considered as a group; "he spent hours reading to the blind" people - (plural) any group of human beings (men or women or children) collectively; "old people"; "there were at least 200 people in the audience" blind person - a person with a severe visual impairment
	2.	blind - a hiding place sometimes used by hunters (especially duck hunters); "he waited impatiently in the blind" cover, covert, concealment, screen - a covering that serves to conceal or shelter something; "a screen of trees afforded privacy"; "under cover of darkness"; "the brush provided a covert for game"; "the simplest concealment is to match perfectly the color of the background"
	3.	blind - a protective covering that keeps things out or hinders sight; "they had just moved in and had not put up blinds yet" screen curtain, drape, drapery, pall, mantle - hanging cloth used as a blind (especially for a window) protective cover, protective covering, protection - a covering that is intend to protect from damage or injury; "they had no protection from the fallout"; "wax provided protection for the floors" shutter - a hinged blind for a window window blind - a blind for privacy or to keep out light blinder, winker, blinker - blind consisting of a leather eyepatch sewn to the side of the halter that prevents a horse from seeing something on either side
	4.	blind - something intended to misrepresent the true nature of an activity; "he wasn't sick--it was just a subterfuge"; "the holding company was just a blind" subterfuge deception, misrepresentation, deceit - a misleading falsehood
Verb	1.	blind - render unable to see bedazzle, daze, dazzle - to cause someone to lose clear vision, especially from intense light; "She was dazzled by the bright headlights" seel - sew up the eyelids of hawks and falcons snow-blind - affect with snow blindness; "the glare of the sun snow-blinded her"
	2.	blind - make blind by putting the eyes out; "The criminals were punished and blinded" alter, change, modify - cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue" abacinate - blind by holding a red-hot metal plate before someone's eyes; "The prisoners were abacinated by their captors"
	3.	blind - make dim by comparison or conceal dim darken - make dark or darker; "darken a room"
Adj.	1.	blind - unable to see; "a person is blind to the extent that he must devise alternative techniques to do efficiently those things he would do with sight if he had normal vision"--Kenneth Jernigan unsighted sighted - able to see
	2.	blind - unable or unwilling to perceive or understand; "blind to a lover's faults"; "blind to the consequences of their actions" unperceiving, unperceptive - lacking perception; "as unperceptive as a boulder"
	3.	blind - not based on reason or evidence; "blind hatred"; "blind faith"; "unreasoning panic" unreasoning irrational - not consistent with or using reason; "irrational fears"; "irrational animals"

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blind

adjective 1. sightless, unsighted, unseeing, eyeless, visionless, stone-blind << OPPOSITE sighted

adjective 2. (usually followed by to) unaware of, unconscious of, deaf to, ignorant of, indifferent to, insensitive to, oblivious of, unconcerned about, inconsiderate of, neglectful of, heedless of, insensible of, unmindful of, disregardful of << OPPOSITE aware

adjective 3. unquestioning, prejudiced, wholesale, indiscriminate, uncritical, unreasoning, undiscriminating

adjective 4. hidden, concealed, obscured, dim, unseen, tucked away << OPPOSITE open

adjective 5. dead-end, closed, dark, obstructed, leading nowhere, without exit

adjective 6. unthinking, wild, violent, rash, reckless, irrational, hasty, senseless, mindless, uncontrollable, uncontrolled, unchecked, impetuous, intemperate, unconstrained see see, disabled

Translations

blind [blaɪnd] adj → ciego

n (for window) → persiana

vt → cegar (= dazzle); deslumbrar

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blind [blaɪnd] adj → aveugle

n (for window) → store m

vt → aveugler;

to turn a blind eye (on or to) → fermer les yeux (sur);

the blind npl → les aveugles mpl

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blind [blaɪnd] adj → blind

n (for window) → Rollo nt, Rouleau nt;

(also: Venetian blind) → Jalousie f

vt → blind machen;

(dazzle) → blenden;

(deceive) (with facts etc) → verblenden;

the blind npl (blind people) → die Blinden pl;

to turn a blind eye (on or to) → ein Auge zudrücken (bei);

to be blind to sth (fig) → blind für etw sein

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blind [blaɪnd] adj → cieco/a

n (for window) → avvolgibile m (= Venetian blind); veneziana

vt → accecare;

to turn a blind eye (on or to) → chiudere un occhio (su)