cock·​sure | \ ˈkäk-ˈshu̇r How to pronounce cocksure (audio) \

Definition of cocksure

1 : feeling perfect assurance sometimes on inadequate grounds
2 : marked by overconfidence or presumptuousness : cocky

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Other Words from cocksure

cocksurely adverb
cocksureness noun

Choose the Right Synonym for cocksure

sure, certain, positive, cocksure mean having no doubt or uncertainty. sure usually stresses the subjective or intuitive feeling of assurance. felt sure that I had forgotten something certain may apply to a basing of a conclusion or conviction on definite grounds or indubitable evidence. police are certain about the cause of the fire positive intensifies sureness or certainty and may imply opinionated conviction or forceful expression of it. I'm positive that's the person I saw cocksure implies presumptuous or careless positiveness. you're always so cocksure about everything

Examples of cocksure in a Sentence

you're always so cocksure about everything
Recent Examples on the Web Tom Barrack snowed them, by projecting an earnestness and a cocksure confidence in his own knowingness that television finds irresistible. Michael Hiltzik, Los Angeles Times, 21 July 2021 The cover had already been designed, with Rickey Henderson striking his familiar, cocksure pose. Stephen Borelli, USA TODAY, 12 Apr. 2021 There’s a joyfulness and cocksure energy in Eddie’s guitar playing that slashes through the troubling mire of 2020. Chris Riemenschneider, Star Tribune, 9 Oct. 2020 Everett, a fast-talking, cocksure radio host, is called in to help diagnose an electrical issue, which several people tell him is likely due to pesky squirrels chewing through the wires again. Emma Grey Ellis, Wired, 29 May 2020 For the cocksure slopester, practical ski pants were seemingly not an option. Jacob Gallagher, WSJ, 5 Feb. 2020 Disbarred attorney Alan Koslow, usually so cocksure and proud, was neither on the night he was flipped by the FBI. Susannah Bryan,, 21 Nov. 2019 On that occasion, he was beaten into second place by an elegant and cocksure runner named Wilson Kipsang, who broke the world record. Ed Caesar, The New Yorker, 11 Oct. 2019 Wright’s ebullient and cocksure Jay, who grabs our interest and sympathy from the start, also reveals emotional depths. Celia Wren, Washington Post, 10 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cocksure.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of cocksure

1672, in the meaning defined at sense 1

History and Etymology for cocksure

probably from cock entry 1 + sure

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Time Traveler for cocksure

Time Traveler

The first known use of cocksure was in 1672

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Last Updated

28 Jul 2021

Cite this Entry

“Cocksure.” Dictionary, Merriam-Webster, Accessed 17 Sep. 2021.

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More Definitions for cocksure



English Language Learners Definition of cocksure

: having or showing confidence in a way that is annoying to other people


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