1.nounThe open admittance of having done something (especially something bad).
"Without the real murderer's confession, an innocent person will go to jail."
2.nounA formal document providing such an admission.
"He forced me to sign a confession!"
3.nounThe disclosure of one's sins to a priest for absolution. In the Roman Catholic Church, it is now termed the sacrament of reconciliation.
"I went to confession and now I feel much better about what I had done."
4.nounAcknowledgment of belief; profession of one's faith.
5.nounA formula in which the articles of faith are comprised; a creed to be assented to or signed, as a preliminary to admission to membership of a church; a confession of faith.