lack of confidence

noun phrase
UK /læk əv ˈkɒnfɪdəns/
US /læk əv ˈkɑːnfɪdəns/

Not believing in yourself or your own abilities.

His lack of confidence made him nervous about speaking in front of the class.


OTHER MEANINGS

2. A shortage of trust in someone or something else.

The team's lack of confidence in the old coach led to many complaints.

3. A feeling of not being sure that something will work.

There is a lack of confidence in the new app because it keeps crashing.

4. A general doubt in a system or group's ability.

The survey showed a lack of confidence in the government's plan.