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trigger-happy

[ trig-er-hap-ee ]
/ ˈtrɪg ərˌhæp i /
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adjective Informal.
ready to fire a gun at the least provocation, regardless of the situation or probable consequences: a trigger-happy hunter.
heedless and foolhardy in matters of great importance and recklessly advocating action that can result in war: Some called him a trigger-happy candidate.
eager to point out the mistakes or shortcomings of others; aggressively or wantonly critical: He's a trigger-happy editor with a nervous blue pencil.
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Origin of trigger-happy

First recorded in 1940–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use trigger-happy in a sentence

British Dictionary definitions for trigger-happy

trigger-happy

adjective informal
tending to resort to the use of firearms or violence irresponsibly
tending to act rashly or without due consideration
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

Other Idioms and Phrases with trigger-happy

trigger happy

Inclined to act violently at the slightest provocation, as in They feared that the President was trigger happy and would send in troops at the drop of a hat. This expression alludes to being too eager to fire a gun. [c. 1940]

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