remorseful 10 antonyms and opposites of remorseful. Adjective — Feeling genuinely sorry for something you did wrong. Synonyms for remorseful penitent apologetic regretful repentant contrite guilt-ridden Antonyms for remorseful remorseless unremorseful unrepentant impenitent obdurate recidivistic unapologetic unbowed uncontrite unreformed ← Back to the full definition of remorseful