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[kok-ee] /ˈkɒk i/
adjective, cockier, cockiest.
arrogant; pertly self-assertive; conceited:
He walked in with a cocky air.
Origin of cocky1
First recorded in 1540-50; cock1 + -y1
Related forms
cockily, adverb
cockiness, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for cockiness
Contemporary Examples
Historical Examples
  • "The Forts and Libs will make it through," Weather said with a lot of cockiness.

  • He regained his cockiness on the trip home, though, and insisted on talking all the way.

    Security Poul William Anderson
  • His polite and affable smiling, his cockiness and his suavity—all these were part of a pose.

    Gargoyles Ben Hecht
  • It struck me at one time that there was a good deal of cockiness on that side of the Atlantic, that has entirely disappeared.

  • They had long regarded our Government as ignorant of European affairs and amateurish in its cockiness.

  • There is a self-sufficient "cockiness" about him that soars above all compromise and defers to nothing and to nobody.

  • The captain went from cockiness to doubt, from doubt to anxiety, and then to anguished fury.

  • More startling was the selfsame hairline scar traversing his cheek; the same touch of cockiness in the set of his face.

    First on the Moon Jeff Sutton
British Dictionary definitions for cockiness


conceited self-assurance


adjective cockier, cockiest
excessively proud of oneself
Derived Forms
cockily, adverb


noun (Austral, informal) (pl) cockies
short for cockatoo (sense 2)
a farmer whose farm is regarded as small or of little account
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
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Word Origin and History for cockiness



"arrogantly pert," 1768; originally "lecherous" (1540s); from cock (n.1) + -y (2). Related: Cockiness.

Online Etymology Dictionary, © 2010 Douglas Harper
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