self-doubt

noun
UK /ˌselfˈdaʊt/
US /ˌselfˈdaʊt/

A feeling that you are not good enough or cannot do something.

She felt a moment of self-doubt before stepping on stage.


OTHER MEANINGS

2. A lack of trust in your own judgment or abilities.

His self-doubt made him ask for a second opinion on every decision.

3. The habit of questioning whether your own thoughts or choices are right.

Constant self-doubt kept her from sharing her ideas at meetings.

4. A temporary feeling of uncertainty about yourself that can be overcome.

With practice and support, his self-doubt faded away.