trigger

[ trig-er ]
/ ˈtrɪg ər /

noun

verb (used with object)

to initiate or precipitate (a chain of events, scientific reaction, psychological process, etc.): Their small protest triggered a mass demonstration.
to fire or explode (a gun, missile, etc.) by pulling a trigger or releasing a triggering device: He accidentally triggered his rifle.

verb (used without object)

to release a trigger.
to become active; activate.

QUIZZES

WHO SAID IT: A QUIZ ON PRESIDENTIAL WIT AND WISDOM

Think you know your presidents? Take this quiz and see if you can match the style, wit, and ideology of these memorable lines to the right POTUS.
Question 1 of 9
“I do believe that the buck stops here, that I cannot rely upon public opinion polls to tell me what is right. I do believe that right makes might and that if I am wrong, 10 angels swearing I was right would make no difference.”

Idioms for trigger

    quick on the trigger, Informal. quick to act or respond; impetuous; alert.

Origin of trigger

1615–25; earlier tricker<Dutch trekker, equivalent to trekk(en) to pull + -er-er1

OTHER WORDS FROM trigger

un·trig·gered, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for trigger

British Dictionary definitions for trigger

trigger
/ (ˈtrɪɡə) /

noun

a small projecting lever that activates the firing mechanism of a firearm
machinery a device that releases a spring-loaded mechanism or a similar arrangement
any event that sets a course of action in motion

verb (tr)

(usually foll by off) to give rise (to); set off
to fire or set in motion by or as by pulling a trigger

Derived forms of trigger

triggered, adjectivetriggerless, adjective

Word Origin for trigger

C17 tricker, from Dutch trekker, from trekken to pull; see trek
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Idioms and Phrases with trigger

trigger

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.