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verb A2 Elementary Very common

prevent

prih-VEHNT

Prevent (verb) means to stop something from happening, or to keep someone from doing something. Example: “Regular exercise can help prevent heart disease.”

verb
1
To stop something from happening, or to keep someone from doing something.
"Regular exercise can help prevent heart disease."
"A locked gate prevented the dog from getting into the yard."

How to use prevent

Learner’s notes

In plain EnglishTo stop something from happening before it does.

Common mistake

Use "prevent from" or "prevent someone doing" (British) / "prevent someone from doing" (American), not "prevent to."

Easily confused with
Common pairings
prevent from prevent disease crime prevention

Word forms

prevented past tense, prevents singular

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Test yourself on “prevent” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

Regular exercise can help _____ heart disease.

Etymology

From Latin praevenire, "to come before, to anticipate," from prae- ("before") + venire ("to come").

Origin: Latin

Related words

Rhymes for prevent

See all rhymes for prevent →

Frequently asked questions

What does “prevent” mean?

The word “prevent” means to stop something from happening, or to keep someone from doing something. In plain terms, to stop something from happening before it does.

How do you pronounce “prevent”?

“Prevent” is pronounced prih-VEHNT (/pɹɪˈvɛnt/ in IPA).

How do you use “prevent” in a sentence?

Here is “prevent” used in a sentence: “Regular exercise can help prevent heart disease.”

What part of speech is “prevent”?

“Prevent” is a verb.

Where does the word “prevent” come from?

The word “prevent” comes from Latin. From Latin praevenire, "to come before, to anticipate," from prae- ("before") + venire ("to come").

Is “prevent” a common word?

“Prevent” is a very common word in modern English, usually learned at around the A2 level.

What is the difference between 'prevent' and 'avoid'?

'Prevent' means to stop something from happening at all, often by acting on the situation — locking a door prevents theft. 'Avoid' means to keep yourself away from something or refrain from doing it — you avoid a bad road by taking another. You prevent an event; you avoid an experience.

What is an example of preventing something?

Washing your hands prevents the spread of germs; a seatbelt prevents injury in a crash; a fence prevents animals from straying. In each case, an action is taken beforehand so that an unwanted event does not occur. Prevention always works ahead of the problem, not after it.

What is the opposite of 'prevent'?

The opposite of 'prevent' is to allow or bring something about. Antonyms include 'permit', 'allow', 'enable', 'encourage', and 'cause'. Where preventing stops an event, permitting lets it happen and causing makes it happen. So to prevent a fire is the reverse of allowing or starting one.

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