deterrent - definition and synonyms

noun [countable] 

Your browser doesn’t support HTML5 audio

  1. 1
    something that makes people decide not to do something by making them realize that something unpleasant could happen to them
    deterrent to:

    Fear of being caught acts as a deterrent to breaking the law.

  2. 2
    a weapon whose purpose is to make other countries afraid to attack the country that owns it

    Britain’s nuclear deterrent