prevent

pre·vent

P0549500 (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 g^wā- 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) vb1. (tr) to keep from happening, esp by taking precautionary action2. (often foll by: from) to keep (someone from doing something); hinder; impede3. (intr) to interpose or act as a hindrance4. (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">protect1. '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

Thesaurus

Verb	1.	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"foreclose, forestall, preclude, forbidmake 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"keepdefend - be on the defensive; act against an attackkeep - 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 winninghinder, 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

verb stop, avoid, frustrate, restrain, check, bar, block, anticipate, hamper, foil, inhibit, head off, avert, thwart, intercept, hinder, obstruct, preclude, impede, counteract, ward off, balk, stave off, forestall, defend against, obviate, nip in the bud These methods prevent pregnancy. We took steps to prevent it happening.
help, encourage, support, allow, urge, permit, incite

prevent

verbTo prohibit from occurring by advance planning or action:avert, forestall, forfend, obviate, preclude, rule out, stave off, ward (off).Idiom: nip in the bud.

Translations

防止阻止预防

prevent

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

prevent

→ 预防zhCN

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prevent (someone or something) from (doing something)

prevent someone from doing something

PREVENT

PREVENT

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Synonyms for prevent

verb stop

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Antonyms

Synonyms for prevent

verb to prohibit from occurring by advance planning or action

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Synonyms for prevent

verb keep from happening or arising

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Related Words

verb stop (someone or something) from doing something or being in a certain state

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