The meaning of PREVENT is to keep from happening or existing. How to use prevent in a sentence. Synonym Discussion of Prevent.

PREVENT definition: 1. to stop something from happening or someone from doing something: 2. to stop something from…. Learn more.

Definition of prevent verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

PREVENT definition: to keep from occurring; avert; hinder. See examples of prevent used in a sentence.

To prevent is to stop something effectually by forestalling action and rendering it impossible: to prevent the sending of a message. To hamper is to clog or entangle or put an embarrassing …

To prevent something means to ensure that it does not happen. These methods prevent pregnancy. Further treatment will prevent cancer from developing.

Prevent, hamper, hinder, impede refer to different degrees of stoppage of action or progress. To prevent is to stop something effectually by forestalling action and rendering it impossible: to …

prevent, v. meanings, etymology, pronunciation and more in the Oxford English Dictionary

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?

The verb prevent means "to keep something from happening," like when you use a complicated password to prevent hackers from accessing your account.