22
shameless
8
unapologetic
7
happy
5
remorseless
5
unrepentant
4
impenitent
4
unashamed
4
unremorseful
1
not sorry(expression, idiom)
1
compassionless
1
glad
1
pitiless
1
unregretful
1
unrepentent
0
contrary
0
incorrigible
0
incurable
0
irrecoverable
0
irredeemable
0
irremediable
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APASmart Define. (2015). penitent thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/penitent/thesaurus/antonyms
ChicagoSmart Define. 2015. "penitent thesaurus" https://smartdefine.org/penitent/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, penitent thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/penitent/thesaurus/antonyms>.
MLASmart Define. "penitent thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/penitent/thesaurus/antonyms>