[ haf-kokt, hahf- ]
/ ˈhæfˈkɒkt, ˈhɑf- /


(of a firearm) at the position of half cock.
lacking mature consideration or enough preparation; ill-considered or ill-prepared; half-baked.


    go off half-cocked, to act or happen prematurely: He went off half-cocked and told everyone the news.Also go off at half cock.

Origin of half-cocked

First recorded in 1800–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for go off half-cocked



(of a firearm) at half-cock

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 go off half-cocked

go off half-cocked

see go off, def. 1.

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