own up
Longman Dictionary of Contemporary English 5++LDOCE 5++own up → own up at own2(2) to admit that you have done something wrong, especially something that is not serious
own up
own up phrasal verb (see also own)
to admit that you have done something wrong, especially something that is not serious:
Come on, own up. Who broke it?
own up to (doing) something
No one owned up to breaking the window.
He was too frightened to own up to his mistake.
He still wouldn’t own up to the fact that he’d lied.
own up phrasal verb (see also own)
to admit that you have done something wrong, especially something that is not serious:
own up to (doing) something