prevent

US /prɪˈvent/

UK /prɪˈvent/

1.

keep (something) from happening or arising

:

•

The new policy aims to prevent fraud.

•

Wearing a helmet can prevent serious head injuries.

:

avert obviate forestall preclude impede

2.

stop (someone) from doing something

:

•

The police tried to prevent the protesters from entering the building.

•

His injury will prevent him from playing in the match.

:

hinder obstruct inhibit restrain deter

:

prevention