hyperconfident

Example:She answered the questions hyperconfidently, as if she knew everything.

Definition:In an extremely confident manner, often to the point of arrogance or overconfidence.

Example:John was a hyperconfident person, always sure that he was right.

Definition:A person who is excessively confident in their abilities or judgments, often to the extent of being overconfident and lacking self-awareness.

Example:They were hyperconfident about the success of their project and didn't prepare adequately for potential setbacks.

Definition:To be overly confident about something, often leading to underestimating the challenges or difficulties involved.