diffidence

noun
UK /ˈdɪfɪdəns/
US /ˈdɪfɪdəns/

Diffidence is the feeling of not being sure about yourself.

His diffidence made him whisper his answer in class.


OTHER MEANINGS

2. A lack of trust or confidence in someone or something.

The team's diffidence in their coach grew after several losses.

3. Reluctance to act or speak because of fear of being wrong.

She raised her hand with diffidence, unsure if her idea was good.

4. A quiet, modest way of behaving that avoids attention.

He accepted the praise with diffidence, thanking everyone else first.