unrepentant

Synonyms:

impenitent, unremorseful

unashamed

used of persons or their behavior; feeling no shame

unregenerate, unregenerated

not reformed morally or spiritually

Antonyms:

penitent, repentant

feeling or expressing remorse for misdeeds

ashamed

feeling shame or guilt or embarrassment or remorse

bad, regretful, sorry

feeling or expressing regret or sorrow or a sense of loss over something done or undone

contrite, remorseful, rueful, ruthful

feeling or expressing pain or sorrow for sins or offenses

penitential, penitentiary

showing or constituting penance

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Synonyms:

cussed, obdurate, obstinate

unregenerate, unregenerated

not reformed morally or spiritually