(noun, verb)


1. lever that activates the firing mechanism of a gun

Definition categories: man–made, lever

2. a device that activates or releases or causes something to happen

Definition categories: man–made, device

3. an act that sets in motion some course of events

Similar word(s): induction, initiation

Definition categories: act, causation, causing

Sentences with trigger as a noun:

- Just pull the trigger.

- Sleeping in an unfamiliar room can be a trigger for sleepwalking.


1. put in motion or move to act

- trigger a reaction

Similar word(s): activate, actuate, spark, trip

Definition categories: creation, initiate, pioneer

2. release or pull the trigger on

- Trigger a gun

Definition categories: competition

Sentences with trigger as a verb:

- This story contains a rape scene and may be triggering for rape victims.