overconfidence
/ˌoʊvərˈkɑnfɪdəns/
noun
- A feeling of being too sure of your own abilities or judgment, often leading to mistakes.
- Overconfidence can be dangerous when driving in bad weather.
- His overconfidence caused him to skip studying for the exam, and he failed.
- The team's overconfidence made them underestimate their opponents, resulting in a loss.
Antonyms