unconfident
Definitions
Lacking self-confidence or assurance.
Feeling or showing uncertainty about one's own abilities or qualities.
Examples
He felt unconfident about his ability to deliver the presentation in front of the large audience.
The student appeared unconfident when answering the teacher's difficult question.
Despite her talent, she remained unconfident and rarely shared her artwork with others.
Synonyms
insecure diffident timid hesitant self-doubting shy uncertain
Antonyms
confident assured assertive bold self-reliant decisive fearless