trigger meaning and definition

TRIGGER noun

Definition of trigger (noun)

1. lever that activates the firing mechanism of a gun
   • synonyms: gun trigger
2. a device that activates or releases or causes something to happen
3. an act that sets in motion some course of events
   • synonyms: induction, initiation

TRIGGER verb

Definition of trigger (verb)

1. put in motion or move to act
   • "trigger a reaction"; "actuate the circuits"
   • synonyms: activate, actuate, set off, spark, spark off, touch off, trigger off, trip
2. release or pull the trigger on
   • "Trigger a gun"