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Word of the Day Wednesday, June 10, 2026

cocksure

/kɒksʊə/ adjective · British & US
Valid in UKValid in US
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What does cocksure mean?

adjective

Confidently self-assured; having a firm and unwavering belief in one's opinions or abilities. Often used to describe someone who is overconfident or arrogant.

Example

"He was a cocksure young entrepreneur who was convinced his business idea would make him a millionaire by the age of 25."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for cocksure

Antonyms of cocksure

Rhymes with cocksure

Etymologically related