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when you admit that you have done something wrong or illegalI'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.
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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 forgivenHave you been to confession recently?
The priest heard his confession.