Dictionary

cocksure

adjective cock·sure \ˈkäk-ˈshr\

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

Full Definition of COCKSURE

1
:  feeling perfect assurance sometimes on inadequate grounds
2
:  marked by overconfidence or presumptuousness :  cocky
cock·sure·ly adverb
cock·sure·ness noun
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Examples of COCKSURE

  1. <his cocksure assertion that he could bed any woman of his choice>
  2. <you're always so cocksure about everything>

Origin of COCKSURE

probably from 1cock + sure
First Known Use: 1608

Synonym Discussion of 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>.

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