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Definition of Prevent
1. Verb. Keep from happening or arising; make impossible. "Your role in the projects precludes your involvement in the competitive project"
Exact synonyms: Forbid, Foreclose, Forestall, Preclude
Specialized synonyms: Make Unnecessary, Save, Avert, Avoid, Debar, Deflect, Fend Off, Forefend, Forfend, Head Off, Obviate, Stave Off, Ward Off, Block, Blockade, Embarrass, Hinder, Obstruct, Stymie, Stymy, Baffle, Bilk, Cross, Foil, Frustrate, Queer, Scotch, Spoil, Thwart, Block, Halt, Kibosh, Stop
Derivative terms: Forestalling, Preclusion, Preventative, Preventive
Specialized synonyms: Make Unnecessary, Save, Avert, Avoid, Debar, Deflect, Fend Off, Forefend, Forfend, Head Off, Obviate, Stave Off, Ward Off, Block, Blockade, Embarrass, Hinder, Obstruct, Stymie, Stymy, Baffle, Bilk, Cross, Foil, Frustrate, Queer, Scotch, Spoil, Thwart, Block, Halt, Kibosh, Stop
Derivative terms: Forestalling, Preclusion, Preventative, Preventive
2. Verb. Stop (someone or something) from doing something or being in a certain state. "They prevent him from writing the letter"; "Keep the child from eating the marbles"
Exact synonyms: Keep
Specialized synonyms: Defend, Exclude, Keep Out, Shut, Shut Out, Hold, Keep Away, Blank, Hinder, Impede, Rain Out, Wash Out
Related verbs: Keep
Antonyms: Let
Derivative terms: Preventative, Prevention, Preventive
Specialized synonyms: Defend, Exclude, Keep Out, Shut, Shut Out, Hold, Keep Away, Blank, Hinder, Impede, Rain Out, Wash Out
Related verbs: Keep
Antonyms: Let
Derivative terms: Preventative, Prevention, Preventive
Definition of Prevent
1. v. t. To go before; to precede; hence, to go before as a guide; to direct.
2. v. i. To come before the usual time.
Definition of Prevent
1. to keep from happening [v -ED, -ING, -S]