the act of transgressing; the violation of a law or a duty or moral principle

commit a sin; violate a law of God or a moral law

a lapse into sin; a loss of innocence or of chastity

a sin committed of your own free will (as contrasted with original sin)

a sin said to be inherited by all descendants of Adam

an unpardonable sin entailing a total loss of grace

a pardonable sin regarded as entailing only a partial loss of grace