Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “trigger”

trigger

noun uk   /ˈtrɪɡ.ər/ us    //

trigger noun (GUN PART)

[C] a part of a gun that causes the gun to fire when pressed: It's not clear who actually pulled the trigger.

trigger noun (START)

[C usually singular] an event or situation, etc. that causes something bad to start: There are fears that the incident may be a trigger for further violence in the capital.

trigger

verb [T] uk   /ˈtrɪɡ.ər/ us    //
C1 to cause something bad to start: Some people find that certain foods trigger their headaches. The racial killings at the weekend have triggered off a wave of protests.
(Definition of trigger from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of trigger?
Add Cambridge dictionaries to your browser to your website

Definitions of “trigger” in other dictionaries

Word of the Day

light at the end of the tunnel

signs of improvement in a situation that has been bad for a long time, or signs that a long and difficult piece of work is almost finished

Word of the Day

The language of work

by Kate Woodford,
October 15, 2014
Most of us talk about our jobs. We tell our family and friends interesting or funny things that have happened in the workplace (=room where we do our job), we describe – and sometimes complain about – our bosses and colleagues and when we meet someone for the first time, we tell

Read More 

life tracking noun

October 20, 2014
the use of one or more devices or apps to monitor health, exercise, how time is spent, etc.

Read More