trigger

Nouns

(n) lever that activates the firing mechanism of a gun gun trigger,
(n) a device that activates or releases or causes something to happen
(n) an act that sets in motion some course of events initiation, induction,

Verbs

(v) put in motion or move to act
- trigger a reaction
- actuate the circuits
activate, actuate, set off, spark, spark off, touch off, trigger off, trip,
(v) release or pull the trigger on
- Trigger a gun

Synonyms

gun trigger activate actuate set off spark spark off touch off trigger off trip initiation induction

Words of close approximity

triggerfish trigger-happy triggerman trigger off