​to stop somebody from doing something; to stop something from happening. prevent something/somebody The accident could have been prevented.

to stop someone from doing something; to stop something from happening. prevent something/somebody The accident could have been prevented.

To act before or more quickly than (a person or agent); to anticipate in action; to act in advance of. Obsolete.

(saying) it is better to stop something bad from happening rather than try to deal with the problems after it has happened.

There is one meaning in OED's entry for the noun prevent. See 'Meaning & use' for definition, usage, and quotation evidence.

6 дней назад · to stop something from happening or someone from doing something: Label your suitcases to prevent confusion.

the act of stopping something bad from happening; accident/crime prevention; the prevention of disease; a fire prevention officer.

​. to prevent something bad from happening. avoid something to avoid conflict/confrontation · ​. to keep away from somebody/something; to try not to do something.

1to prevent something bad from happening avoid something The accident could have been avoided. · 2to keep away from someone or something; to try not to do ...

adjective. /prɪˈventəbl/ /prɪˈventəbl/ ​that can be stopped from happening. preventable diseases/accidents.