prevent

[pri-vent] / prɪˈvɛnt /

VERB

keep from happening or continuing

Synonyms

STRONGEST

avert avoid bar block counter forbid forestall halt hamper hinder impede inhibit limit preclude prohibit put an end to restrain restrict rule out stop thwart ward off

STRONG

anticipate arrest baffle balk check chill cool cork counteract dam debar foil forfend frustrate intercept interdict interrupt obstruct obviate repress retard

WEAK

dead-end defend against head off hold back hold off keep lid on nip in the bud put a stop to shut out stave off turn aside

Antonyms

STRONGEST

advance aid allow approve assist continue encourage facilitate forward free help let go open permit promote push release support

STRONG

abet heat liberate warm

WEAK

cause

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A job won’t replace a career launch, but it can keep money flowing, build experience and prevent months from slipping by while you wait for the perfect opportunity.

From MarketWatch • Jun. 2, 2026

"One of the most common questions clinicians get is 'What can I change in my diet to prevent cancer?'"

From Science Daily • Jun. 2, 2026

The suit states that "despite public knowledge of ChatGPT's use by minors, including preteens, defendants have not taken steps to prevent their use of ChatGPT."

From Barron's • Jun. 1, 2026

The bodies of those suspected of having died with Ebola are not allowed to be handled by relatives to prevent the risk of spread.

From BBC • Jun. 1, 2026

He also had a team of security guards in a big circle around Cleo to prevent troublemakers like me from disrupting things.

From "The (Mostly) True Story of Cleopatra's Needle" by Dan Gutman

Vocabulary lists containing prevent

"Handle with Care"

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The Search Is Over: Synonyms for "Stop"

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1.7.B Using Ice to Keep Orange Groves Warm

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