cocksure
Americanadjective
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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.
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Obsolete. perfectly secure or safe.
adjective
Other Word Forms
Etymology
Origin of cocksure
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Cocksure Esme’s challenge becomes rejecting the lies the wizards taught her in favor of the truth she’s learned from her own experiences.
From New York Times • Jan. 21, 2022
Cocksure X-wing pilot Poe clashes with his superiors over how to fight a losing battle.
From Los Angeles Times • Dec. 17, 2017
Cocksure was always his default setting, even before the court appearances and prison spells started to overshadow the movies.
From The Guardian • May 29, 2014
Cocksure and often brimming with ideas, Topiary used his silver tongue and an unusual knack for public promotion to slowly make his way up the ladder of secret planning rooms in the Anonymous chat networks.
From Salon • Jun. 3, 2012
Cocksure he was, and before long she knew him boastful; but competence sat on him, none the less.
From Brand Blotters by Rowe, Clarence H. (Clarence Herbert)
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
