Definition of cocksure
1 : feeling perfect assurance sometimes on inadequate grounds
2 : marked by overconfidence or presumptuousness : cocky
Examples of cocksure in a Sentence
you're always so cocksure about everything
Recent Examples of cocksure from the Web
Revered as one of the original Mercury astronauts and known for his cocksure determination and ready wit, Shepard was the first American in space and the only human to have golfed on the moon.
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.
Origin and Etymology of cocksure
probably from 1cock + sure
First Known Use: 1608See Words from the same year
Synonym Discussion of cocksure
COCKSURE Defined for English Language Learners
Definition of cocksure for English Language Learners
: having or showing confidence in a way that is annoying to other people
Seen and Heard
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