Meaning of “confident” - Learner’s Dictionary

confident

adjective us uk /ˈkɒnfɪdənt/
Extra Examples
He's supremely confident.Tom is very confident while Katy is shy and quiet.She certainly seems confident.He's a very confident child.She's very bouncy and confident.
ABILITY

B1 certain about your ability to do things well:

a confident grin
He feels confident of winning.
CERTAIN

B2 being certain that something will happen:

[ + (that) ] Doctors are confident that she'll recover.
confidently adverb

(Definition of “confident” from the Cambridge Learner’s Dictionary © Cambridge University Press)