Confession

when you admit that you have done something wrong or illegal

I've got a bit of a confession to make - I've lost that book you lent me.

I can't ask for help. It feels like a confession of failure.

Confession is the first stage of coming to terms with what you've done.

He made a full confession to the police.

when a Christian tells God or, especially in the Roman Catholic Church, tells a priest formally and privately, what they have done wrong so that they can be forgiven

Have you been to confession recently?

The priest heard his confession.