1. repentance Regret is sorrow for any painful or annoying matter. One is moved with penitence for wrong-doing. To speak of regret for a fault of our own marks it as slighter than one regarding which we sh Synonyms: repentance, compunction, contriteness, regret, self-condemnation, contrition, penitence, remorse, sorrow Antonyms: approval, content, obduracy, self-complacency, comfort, hardness, obstinacy, self-congratulation, complacency, impenitence, self-approval, stubbornness