Definition of trigger in English:

trigger

Syllabification: trig·ger
Pronunciation: /ˈtriɡər
 
/

noun

1A small device that releases a spring or catch and so sets off a mechanism, especially in order to fire a gun: he pulled the trigger of the shotgun
More example sentences
  • Press the trigger to fire, and the missile is on its way, its own IR seeker taking over.
  • He chuckled and pulled the trigger, firing at the targets even though he wasn't in the booths.
  • Bullets impacted the floor around me as I pulled the trigger and fired back.
1.1An event or circumstance that is the cause of a particular action, process, or situation: the trigger for the strike was the closure of a mine
More example sentences
  • The answers to these questions will help you identify some of the reasons for the decision you made, to help you identify triggers, or situations that may be difficult for you.
  • Plus, there aren't any triggers or events in the scenarios, and so the only thing that makes them play differently is the map they take place on, but the maps are a joke.
  • Event triggers and in-game cinematics will then guide you although you will determine how a mission will be accomplished.

verb

[with object] Back to top  
1Cause (an event or situation) to happen or exist: an allergy can be triggered by stress or overwork
More example sentences
  • Here again, the emblem suggests a chain of catastrophic, unspeakable events triggered by irresistible emotions.
  • The exact cause of psoriasis is not known but it is understood that stress can trigger an outbreak.
  • You can reduce the itching, inflammation, and scaling of psoriasis by reducing stress; high stress often triggers outbreaks.
Synonyms
precipitate, prompt, elicit, trigger off, set off, spark (off), touch off, provoke, stir up; cause, give rise to, launch, lead to, set in motion, occasion, bring about, generate, engender, begin, start, initiate
literary enkindle
1.1Cause (a device) to function.
More example sentences
  • The concept of the device is to activate a remote sensor that will trigger the device on the vehicle that will bring it to a stop.
  • If the photon passes through the mirror, it automatically triggers a light-sensing device, which fires the gun and shoots the cat dead.
  • Each time soap was dispensed, the device was triggered to record one count.
Synonyms
activate, set off, set going, trip

Origin

early 17th century: from dialect tricker, from Dutch trekker, from trekken 'to pull'.

Phrases

quick on the trigger

Quick to respond.
More example sentences
  • Well, as everyone says, she was so funny and so quick and so quick on the trigger, quick on the uptake and so forth.
  • He's brash, quick on the trigger, and careless, but his character is slowly (slow to the extent of never happening) becoming mature, joining his action with reason.
  • Gigot acknowledges that many charge that Bartley was too quick on the trigger, that he didn't always wait to ask the questions before he shot.

Derivatives

triggered

adjective
More example sentences
  • Installed into an enriched uranium casing, a triggered spark gap can ignite a nuclear explosion.
  • It was too much of a coincidence for both an electronic disturbance and a triggered bomb to go off simultaneously.
  • I mean that can happen in a variety of ways such as nightmares or triggered memories.

Definition of trigger in:

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