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pre·vent

 (prĭ-vĕnt′)
v. pre·vent·ed, pre·vent·ing, pre·vents
v.tr.
1. To keep from happening; avert: took steps to prevent the strike.
2. To keep (a person or thing) from doing something; impede: prevented us from winning; prevented the disease from spreading.
3. Archaic
a. To anticipate or counter in advance.
b. To come before; precede.
v.intr.
To present an obstacle: There will be a picnic if nothing prevents.

[Middle English preventen, to anticipate, from Latin praevenīre, praevent- : prae-, pre- + venīre, to come; see gwā- in Indo-European roots.]

pre·vent′a·bil′i·ty, pre·vent′i·bil′i·ty n.
pre·vent′a·ble, pre·vent′i·ble adj.
pre·vent′er n.
Synonyms: prevent, preclude, avert, obviate, forestall
These verbs mean to stop or hinder something from happening, especially by advance planning or action. Prevent implies anticipatory counteraction: "Some contemporaries believed that capitalism and the rise of an international economy would prevent war among 'civilized' states" (John Howard Morrow).
To preclude is to exclude the possibility of an event or action: "a tranquillity which ... his wife's presence would have precluded" (John Henry Newman).
Avert and obviate imply that something, such as a difficulty or necessity, has been removed or avoided: The pilot's quick thinking averted an accident. The short duration of the journey obviated the need for large food supplies. Forestall usually suggests anticipatory measures taken to counteract, neutralize, or nullify the effects of something: We installed an alarm system to forestall break-ins.

prevent

(prɪˈvɛnt)
vb
1. (tr) to keep from happening, esp by taking precautionary action
2. (often foll by: from) to keep (someone from doing something); hinder; impede
3. (intr) to interpose or act as a hindrance
4. (tr) archaic to anticipate or precede
[C15: from Latin praevenīre, from prae before + venīre to come]
preˈventable, preˈventible adj
preˌventaˈbility, preˌventiˈbility n
preˈventably, preˈventibly adv

pre•vent

(prɪˈvɛnt)

v.t.
1. to keep from occurring; stop: to prevent illness.
2. to stop from doing something: There is nothing to prevent us from going.
3. Archaic.
a. to act ahead of; forestall.
b. to precede.
c. to anticipate.
v.i.
4. to interpose a hindrance: We will come if nothing prevents.
[1375–1425; < Latin praeventus, past participle of praevenīre to anticipate =prae- pre- + venīre to come]
pre•vent′a•ble, pre•vent′i•ble, adj.
pre•vent`a•bil′ty, n.
pre•vent′er, n.
syn: prevent, hamper, hinder, impede refer to different degrees of stoppage of action or progress. To prevent is to stop something effectually by forestalling action and rendering it impossible: to prevent the sending of a message. To hamper is to clog or entangle or put an embarrassing restraint upon: to hamper preparations for a trip. To hinder is to keep back by delaying or stopping progress or action: to hinder the progress of an expedition. To impede is to make difficult the movement or progress of anything by interfering with its proper functioning: to impede a discussion by demanding repeated explanations.

prevent

protect
1. 'prevent'

If someone or something prevents you from doing something, they do not allow you to do it.

My only idea was to prevent him from speaking.
Cotton mittens will prevent the baby from scratching his own face.
2. 'protect'

You do not use 'prevent' to say that something keeps you safe from something unpleasant or harmful. The word you use is protect.

Babies are protected against diseases like measles by their mother's milk.
She had his umbrella to protect her from the rain.

prevent


Past participle: prevented
Gerund: preventing

Imperative
prevent
prevent
Present
I prevent
you prevent
he/she/it prevents
we prevent
you prevent
they prevent
Preterite
I prevented
you prevented
he/she/it prevented
we prevented
you prevented
they prevented
Present Continuous
I am preventing
you are preventing
he/she/it is preventing
we are preventing
you are preventing
they are preventing
Present Perfect
I have prevented
you have prevented
he/she/it has prevented
we have prevented
you have prevented
they have prevented
Past Continuous
I was preventing
you were preventing
he/she/it was preventing
we were preventing
you were preventing
they were preventing
Past Perfect
I had prevented
you had prevented
he/she/it had prevented
we had prevented
you had prevented
they had prevented
Future
I will prevent
you will prevent
he/she/it will prevent
we will prevent
you will prevent
they will prevent
Future Perfect
I will have prevented
you will have prevented
he/she/it will have prevented
we will have prevented
you will have prevented
they will have prevented
Future Continuous
I will be preventing
you will be preventing
he/she/it will be preventing
we will be preventing
you will be preventing
they will be preventing
Present Perfect Continuous
I have been preventing
you have been preventing
he/she/it has been preventing
we have been preventing
you have been preventing
they have been preventing
Future Perfect Continuous
I will have been preventing
you will have been preventing
he/she/it will have been preventing
we will have been preventing
you will have been preventing
they will have been preventing
Past Perfect Continuous
I had been preventing
you had been preventing
he/she/it had been preventing
we had been preventing
you had been preventing
they had been preventing
Conditional
I would prevent
you would prevent
he/she/it would prevent
we would prevent
you would prevent
they would prevent
Past Conditional
I would have prevented
you would have prevented
he/she/it would have prevented
we would have prevented
you would have prevented
they would have prevented
ThesaurusAntonymsRelated WordsSynonymsLegend:
Verb1.prevent - keep from happening or arising; make impossible; "My sense of tact forbids an honest answer"; "Your role in the projects precludes your involvement in the competitive project"
make unnecessary, save - make unnecessary an expenditure or effort; "This will save money"; "I'll save you the trouble"; "This will save you a lot of time"
deflect, fend off, forefend, forfend, head off, avert, stave off, ward off, avoid, debar, obviate - prevent the occurrence of; prevent from happening; "Let's avoid a confrontation"; "head off a confrontation"; "avert a strike"
blockade, obstruct, stymie, stymy, embarrass, hinder, block - hinder or prevent the progress or accomplishment of; "His brother blocked him at every turn"
frustrate, queer, scotch, thwart, foil, baffle, bilk, cross, spoil - hinder or prevent (the efforts, plans, or desires) of; "What ultimately frustrated every challenger was Ruth's amazing September surge"; "foil your opponent"
kibosh, stop, block, halt - stop from happening or developing; "Block his election"; "Halt the process"
2.prevent - stop (someone or something) from doing something or being in a certain state; "We must prevent the cancer from spreading"; "His snoring kept me from falling asleep"; "Keep the child from eating the marbles"
defend - be on the defensive; act against an attack
keep - hold and prevent from leaving; "The student was kept after school"
keep out, shut out, exclude, shut - prevent from entering; shut out; "The trees were shutting out all sunlight"; "This policy excludes people who have a criminal record from entering the country"
hold - keep from departing; "Hold the taxi"; "Hold the horse"
keep away - prevent from coming close; "I tried to keep the child away from the pool"
blank - keep the opposing (baseball) team from winning
hinder, impede - be a hindrance or obstacle to; "She is impeding the progress of our project"
rain out, wash out - prevent or interrupt due to rain; "The storm had washed out the game"
allow, let, permit - make it possible through a specific action or lack of action for something to happen; "This permits the water to rush in"; "This sealed door won't allow the water come into the basement"; "This will permit the rain to run off"

prevent

prevent

verb
To prohibit from occurring by advance planning or action:
Translations
zabránit
forhindre
ennetama
estääehkäistä
spriječiti
megakadályozmeggátol
hindra
防ぐ
예방하다
apsaugojimaskelio užkirtimasprevencijaprevencinisprofilaktinis
aizkavētatturētnovērst
preprečiti
förhindra
ป้องกัน
ngăn ngừa

prevent

[prɪˈvent] VT
1. (= avert) (by taking precautions) [+ accident, disaster, death, war, pregnancy] → prevenir, evitar; [+ illness] → prevenir
we want to prevent a recurrence of yesterday's violencequeremos evitar que la violencia desplegada ayer se repitaqueremos prevenir or evitar una repetición de la violencia desplegada ayer
2. (= impede, put a stop to) [+ crime, corruption] → impedir; [+ attempt] → prevenir, impedir
installations to prevent any attempt to escapeinstalaciones fpl para prevenir or impedir cualquier intento de huida
bodyguards prevented his attempt to shoot the presidentunos guardaespaldas hicieron fracasar su intento de disparar al presidente
to prevent the spread of AIDS/nuclear weaponsimpedir la propagación del SIDA/la proliferación de las armas nucleares
to prevent sb (from) doing sth; prevent sb's doing sthimpedir que algn haga algo
I can't prevent him (from) leaving the country; I can't prevent his leaving the countryno puedo impedir que se vaya del país
don't let this prevent you from goingno dejes que esto te impida ir
she bit her lip to prevent herself from crying outse mordió el labio para no gritar

prevent

[prɪˈvɛnt] vt [+ war, wastage, fires] → empêcher; [+ disease, pregnancy] → prévenir; [+ deaths, accidents] → prévenir
Exercise helps prevent heart disease → L'exercice aide à prévenir les maladies cardiaques.
to be prevented [death, accident] → être évité
Many accidents could be prevented if motorists would slow down → De nombreux accidents pourraient être évités si les automobilistes ralentissaient.
The deaths could have been prevented if the house had been fitted with a smoke alarm → Les morts auraient pu être évitées si la maison avait été équipée d'un détecteur de fumée.
to prevent sb from doing sth → empêcher qn de faire qch
Only rain can prevent us from winning → Seule la pluie peut nous empêcher de gagner.
to prevent sb doing sth → empêcher qn de faire qch
to prevent sth from happening [+ accident, disaster] → empêcher que qch ne se produise, empêcher que qch se produise
to prevent sth happening [+ accident, disaster] → empêcher que qch ne se produise, empêcher que qch se produise; [+ possibility] → empêcher que qch se réalise, empêcher que qch ne se réalise
We recognized the possibility and took steps to prevent it happening → Nous avons pris acte de cette possibilité et pris des mesures pour empêcher qu'elle se réalise.
to prevent sth doing sth → empêcher qch de faire qch
Further treatment will prevent cancer from developing → La poursuite du traitement empêchera le cancer de se développer.

prevent

vt sthverhindern, verhüten; (through preventive measures) → vorbeugen (+dat); to prevent somebody (from) doing somethingjdn daran hindern or davon abhalten, etw zu tun; the gate is there to prevent them from falling down the stairsdas Gitter ist dazu da, dass sie nicht die Treppe hinunterfallen; to prevent somebody from comingjdn am Kommen hindern; there is nothing to prevent menichts kann mich daran hindern or davon abhalten; to prevent something (from) happeningverhindern, dass etw geschieht

prevent

[prɪˈvɛnt] vt (crime, accidents, fire) → prevenire
to prevent sb/sth (from doing sth) → impedire a qn/qc (di fare qc)
to prevent sb's doing sth (frm) → impedire che qn faccia qc

prevent

(priˈvent) verb
to stop (someone doing something or something happening). He prevented me from going.
preˈvention (-ʃən) noun
the act of preventing. a society for the prevention of road accidents.
preˈventive (-tiv) adjective
that helps to prevent illness etc. preventive medicine.

prevent

يـَمْنَع zabránit forhindre verhindern προλαμβάνω impedir estää empêcher spriječiti impedire 防ぐ 예방하다 voorkomen hindre zapobiec prevenir предотвращать förhindra ป้องกัน önlemek ngăn ngừa 预防

prevent

v. prevenir, precaver, evitar.

prevent

vt (disease, etc.) prevenir, evitar; to prevent cavities..prevenir (evitar) la caries
References in classic literature ?
Ned, too, finally succumbed to the overpowering weariness of the first day of travel, and he, too, slept, though it was an uneasy slumber, disturbed by a feeling as though some one were holding a heavy black quilt over his head, preventing him from breathing.
He can sit down and write a fine flourishing letter, full of professions and falsehoods, and persuade himself that he has hit upon the very best method in the world of preserving peace at home and preventing his father's having any right to complain.
From the day when she knew that the measures you had taken for preventing this had succeeded; from the day when she was assured that the ship had really taken him away, nothing has roused, nothing has interested her.
He took out of his pocket the most respectable hunting-watch I ever saw, and preventing the spring with his thumb from opening far, looked in at the face as if he were consulting an oracular oyster, shut it up again, and said, if I pleased, it was half past eight.
Startled at the voice the lady turned her head; and not seeing the speaker she stood up and attempted to enter the room; observing which the gentleman held her back, preventing her from moving a step.
The disciplined armies always kept on foot on the continent of Europe, though they bear a malignant aspect to liberty and economy, have, notwithstanding, been productive of the signal advantage of rendering sudden conquests impracticable, and of preventing that rapid desolation which used to mark the progress of war prior to their introduction.
IT MAY be contended, perhaps, that instead of OCCASIONAL appeals to the people, which are liable to the objections urged against them, PERIODICAL appeals are the proper and adequate means of PREVENTING AND CORRECTING INFRACTIONS OF THE CONSTITUTION.
It was quite unlikely that he should be arrested for preventing a suttee.
Has anyone an interest in preventing your arrival there?
Tbe king is either a king or no king; if he be acknowledged as sovereign of France, he should be upheld in peace and tranquillity; and this can best be effected by employing the most inflexible agents to put down every attempt at conspiracy -- 'tis the best and surest means of preventing mischief.
Polyphemus is son to Neptune by the nymph Thoosa, daughter to the sea-king Phorcys; therefore though he will not kill Ulysses outright, he torments him by preventing him from getting home.
The truth was that a strange feeling of excitement was preventing me from sleeping, and I could not rest long in any one spot, but had to keep rising from my chair, and walking about the room.

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