[kok-shoo r, -shur]
- perfectly sure or certain; completely confident in one's own mind: She was cocksure that she was able to do the job better than anyone else.
- too certain; overconfident: He was so cocksure he would win the election that he didn't even bother to campaign.
- Obsolete. perfectly secure or safe.
Origin of cocksure
SynonymsSee more synonyms on Thesaurus.com
1. cocky, arrogant, conceited.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for cocksure
How could they have been so cocksure in the face of so much contrary opinion from seemingly well qualified people?Iraq: What We Got Wrong and Why
March 5, 2013
Cocksure and unafraid, our protagonist does what he always does: he invites the ghost to dinner.Don Giovanni in Los Angeles: Mozart Meets the Future
May 20, 2012
But like millions of others, I went through phases when I was cocksure I could outsmart the market.Return of the Day Trader
April 9, 2009
In the end, the once cocksure president is left struggling to come to grips with reality.My W and Oliver Stone's
October 17, 2008
I liked to hear her knock my big men in her cocksure superior way.The Harbor
In his operations he was a cocksure individual, Mr. Craig was!Joan of Arc of the North Woods</p>
And he also will learn not to be cocksure and jump at conclusions.Pluck on the Long Trail</p>
Edwin L. Sabin
Gladstone was remarking but the other day, ‘Harding was always so cocksure.’Robert Orange
John Oliver Hobbes
I was so taken aback,” he explained; “he was so ignorant, so cocksure, that he made me mad.The White Mice
Richard Harding Davis
- overconfident; arrogant
C16: of uncertain origin
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
Word Origin and History for cocksure
Online Etymology Dictionary, © 2010 Douglas Harper