Overconfident (adjective)

Having too much trust in oneself or one's abilities, often leading to overestimation of one's capabilities.

Origin:

The word 'overconfident' is derived from the prefix 'over-' meaning 'too much' and the adjective 'confident' meaning 'having trust in oneself or one's abilities'. it refers to having too much trust in oneself or one's abilities, often leading to overestimation of one's capabilities.

Examples:

1. He was overconfident about his ability to pass the exam without studying.
2. She was overconfident about her ability to complete the project on time.
3. He was overconfident about his ability to handle the situation without help.
4. She was overconfident about her ability to win the competition without proper preparation.
5. He was overconfident about his ability to make the right decision without consulting others.