penitent

adjective
UK /ˈpen.ɪ.tənt/
US /ˈpen.ə.tənt/

Feeling sorry for something wrong you did.

She felt penitent after yelling at her little brother and said sorry.


OTHER MEANINGS

2. A person who says they are sorry for doing wrong.

The penitent asked the priest for forgiveness.

3. Showing that you feel bad about a mistake.

He gave a penitent look and promised not to lie again.

4. Willing to make up for a wrong action.

The penitent student returned the borrowed book and apologized.