noun
- the quality or state of being arrogantly or excessively confident; overconfidence without justification
Usage: uncountable; informal
Examples
- His cocksureness about winning the game proved unfounded when his team lost badly.
- The candidate's cocksureness during the interview made a poor impression on the hiring panel.
- She spoke with such cocksureness that no one dared to question her claims.
- The young athlete's cocksureness masked a lack of real experience.
- His cocksureness blinded him to the obvious flaws in his plan.
- The politician's cocksureness about re-election cost him the race.