Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL:

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

n. - An act that sets in motion some course of events; Lever that activates the firing mechanism of a gun; A device that activates or releases or causes something to happen v. - Release or pull the firing mechanism on; Put in motion or move to act.

Usage examples (33)
  • Any substance that triggers an allergic reaction is called an allergen.
  • trigger a reaction
  • And 9/11, as you said, for millions of people was what we call a trigger event.
  • True, the trigger is as good as any I've ever touched off on any hunting rifle. for more
Tutoring comment

Tutoring comment not yet available...

add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google,,, and YouTube,,,,, as well as the generous Creative Commons community.