3
unreformable
3
unreformed(adjective, impenitence)
2
base(adjective, bad, evil, wicked)
2
bigoted
2
bloody-minded(adjective, persistent, obstinate, insistent, dogged)
2
bullheaded
2
cantankerous(adjective, persistent, obstinate, insistent, dogged)
2
determined(adjective, persistent, obstinate, insistent, dogged)
2
dogged
2
evil(adjective, bad, wicked)
2
fanatic
2
hard(adjective, tough, harsh, cruel, grim)
2
hardheaded
2
iniquitous(adjective, bad, evil, wicked, immoral)
2
intolerant(adjective, hard, tough, harsh, cruel)
2
mulish
2
pertinacious
2
perverse
2
pigheaded
2
remorseless
11 years ago|4.2k views|share |citing 
APASmart Define. (2015). unregenerate thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unregenerate/thesaurus/synonyms
ChicagoSmart Define. 2015. "unregenerate thesaurus" https://smartdefine.org/unregenerate/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unregenerate thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unregenerate/thesaurus/synonyms>.
MLASmart Define. "unregenerate thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/unregenerate/thesaurus/synonyms>