trigger-happy

[ trig-er-hap-ee ]
/ ˈtrɪg ərˌhæp i /

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.

Origin of trigger-happy

First recorded in 1940–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for trigger-happy

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