14
impenitent(adjective, regret, remorseless, impenitent, impenitence)
14
shameless
12
unapologetic
12
unremorseful(adjective, impenitent)
11
unregenerate
10
obdurate(adjective, impenitence)
10
remorseless(adjective, regret, impenitent, impenitence)
7
unashamed
6
hardened(adjective, impenitent, impenitence)
5
callous(adjective, impenitent)
5
cussed
5
hard(adjective, impenitence)
5
obstinate
5
uncontrite(adjective, impenitent, impenitence)
5
unregenerated
3
unregretful
3
unrepenting
2
corrupt
2
recidivist
2
recidivistic
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APASmart Define. (2015). unrepentant thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unrepentant/thesaurus/synonyms
ChicagoSmart Define. 2015. "unrepentant thesaurus" https://smartdefine.org/unrepentant/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, unrepentant thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unrepentant/thesaurus/synonyms>.
MLASmart Define. "unrepentant thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/unrepentant/thesaurus/synonyms>