the quality of being certain of your abilities or of having trust in people, plans, or the future:
She's completely lacking in confidence.
They talked endlessly, exchanging confidences.
The speaker exuded confidence as they addressed the large audience, delivering a powerful and persuasive speech.
Building self-confidence is crucial for personal and professional development.
The team's confidence soared after winning the crucial match, propelling them further in the tournament.
The mentor's encouragement played a key role in boosting the student's confidence to pursue their goals.