What does cocksure mean?
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."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.