re·pent / riˈpent/ • v. [intr.] feel or express sincere regret or remorse about one's wrongdoing or sin: the priest urged his listeners to repent he repented of his action. ∎ [tr.] view or think of (an action or omission) with deep regret or remorse: Marian came to repent her hasty judgment. ∎ (repent oneself) archaic feel regret or penitence about: I repent me of all I did.DERIVATIVES: re·pent·ance / riˈpentns/ n.re·pent·ant / riˈpentnt/ adj.re·pent·er n.