THESAURUS
unrepentant
callous, hard, hardened, impenitent, insolent, obdurate, recidivist, recidivistic, recidivous, regretless, remorseless, unabject, unashamed, uncontrite, unembarrassed, unmelted, unregenerate, unregretful, unremorseful, unrepenting, unsoftened, unsorry, untouched
ROGET THESAURUS
unrepentant
Impenitence
N
impenitence, irrepentance, recusance, lack of contrition, hardness of heart, seared conscience, induration, obduracy, impenitent, uncontrite, obdurate, hard, hardened, seared, recusant,
unrepentant, relentless, remorseless, graceless, shriftless, lost, incorrigible, irreclaimable, unreconstructed, unregenerate, unreformed, unrepented, unreclaimed, unatoned.