Simple Definition of prevent
: to stop (something) from happening or existing
: to make (someone or something) not do something : to stop (someone or something) from doing something
Full Definition of prevent
1 archaic a : to be in readiness for (as an occasion) b : to meet or satisfy in advance c : to act ahead of d : to go or arrive before
2 : to deprive of power or hope of acting or succeeding
3 : to keep from happening or existing <steps to prevent war>
: to interpose an obstacle
Examples of prevent
Seatbelts in cars often prevent serious injuries.
Can exercise and a healthy diet prevent heart disease?
The accident could have been prevented.
He grabbed my arm to prevent me from falling.
Bad weather prevented us from leaving.
How are you going to prevent him from finding out about the party?
Origin of prevent
Middle English, to anticipate, from Latin praeventus, past participle of praevenire to come before, anticipate, forestall, from prae- + venire to come — more at come
First Known Use: 15th century
Synonym Discussion of prevent
Rhymes with prevent
absent, accent, Advent, anent, ascent, assent, augment, besprent, cement, comment, consent, content, convent, descent, detent, dissent, docent, event, extent, ferment, foment, fragment, frequent, hell-bent, indent, intent, invent, lament, loment, low-rent, mordent, outspent, percent, pigment, portent, present, pup tent, quitrent, rack-rent, relent, repent, resent, segment, Shymkent, Tashkent, torment, well-meant, wisent
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