prevents

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

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.

See Examples For:

prevents

This prevents the carbon from leaving the reactor as atmospheric carbon dioxide.

From Science Daily ● Jul. 31, 2026

Google's statement said the company prevents "image creation on harmful topics" and its AI policy instructs users against "misinformation, misrepresentation or misleading activities."

From Barron's ● Jul. 31, 2026

The policy still prevents the bank from funding controversial weapons and requires it to carefully screen defense companies that request funding or other banking services, it says.

From The Wall Street Journal ● Jul. 30, 2026

For people worried whether they worked enough: There is no maximum income that prevents people from qualifying for Social Security.

From MarketWatch ● Jul. 28, 2026

Is it more strained than claims that the skepticism of onlookers systematically prevents the occurrence of certain paranormal phenomena?

From "Innumeracy: Mathematical Illiteracy and Its Consequences" by John Allen Paulos