adjective
- excessively confident or certain; too sure of oneself or one's beliefs
Usage: often used critically to suggest arrogance or lack of humility
Examples
- He was oversure of his abilities and failed the exam badly.
- The oversure candidate dismissed all feedback from the interview panel.
- Don't be oversure about your success; there are many variables at play.
- Her oversure tone alienated several team members during the meeting.
- The oversure investor ignored warning signs in the market.