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.

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 …

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

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 restraint upon: to …

To prevent means to stop something from happening or arising. It involves taking action or measures in advance to ensure that a particular incident, problem, or situation does not occur.

from The American Heritage® Dictionary of the English Language, 5th Edition. intransitive verb To keep from happening; avert. intransitive verb To keep (a person or thing) from doing something; impede. …

Prevent definition: To keep from happening; avert.

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

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