DictionarypreventStop from happening
verb

prevent

prih-VENT/prɪˈvent/

To stop something from happening or someone from doing something.

The adult prevents the glass from falling by catching it at the table's edge.

An adult catches a tipping glass just before it falls off a table, timely prevention of an accident, natural hands.
Etymology

“Come before” first suggested acting ahead of someone or anticipating an event. That anticipation developed into stopping something before it could happen.

In context

Main Line Health0:17
utilize skills that hopefully prevent it from happening at all because people are not going to be able to prevent a relapse if they can't see it coming.
Relapse Prevention for Substance Abuse

More examples

  • Heavy rain prevents us from playing outside.
  • The locked gate prevented anyone from entering the yard.
  • Clear instructions are useful for preventing mistakes.

Forms

prevent · prevents · prevented · preventing

prevention noun — The act of keeping something from happening.

preventive adjective — Intended to keep something unwanted from happening.

Similar words

stop
Can also end an action that has already begun.
avert
Usually means preventing a threatened danger or disaster.
deter
Discourages someone from acting without necessarily making action impossible.