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.

District Judge Wesley Hsu said that entering a guilty plea could prevent Wang from holding public office.

From Los Angeles Times • May 29, 2026

In his novel “Sacred Hunger,” Barry Unsworth wrote: “Nothing a man suffers will prevent him from inflicting suffering on others. Indeed, it will teach him the way.”

From The Wall Street Journal • May 29, 2026

It also helps prevent proteins from folding incorrectly and sticking together in toxic aggregates.

From Science Daily • May 29, 2026

It says increased monitoring and visibility of the scheme has helped prevent some incidents, with about 12% of fly-tipping either stopped before collection or removed by those responsible.

From BBC • May 28, 2026

James pressed a hand against the door to prevent me from opening it.

From "The Red Car to Hollywood" by Jennie Liu

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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