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half-cocked

[haf-kokt, hahf-]
adjective
  1. (of a firearm) at the position of half cock.
  2. lacking mature consideration or enough preparation; ill-considered or ill-prepared; half-baked.
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Idioms
  1. 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.
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Origin of half-cocked

First recorded in 1800–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for go off half-cocked

half-cocked

adjective
  1. (of a firearm) at half-cock
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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.

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