123 entries under harsh topic. ×

4
unforgiving(adjective, mean, hard, severe)
4
virulent(adjective, mean, evil, nasty)
3
acrimonious(adjective, mean, bad, tough, wrong)
3
atrocious(adjective, wrong, evil, nasty)
3
bloodthirsty(adjective, severe, evil, nasty)
3
gruff(adjective, hard, severe, sharp, rough)
3
inclement(adjective, tough, cruel, grim)
3
monstrous(adjective, severe, evil, nasty)
3
remorseless(adjective, animal, mean, hard, severe)
3
rigorous(adjective, tough, grim, painful)
3
sinful(adjective, evil, nasty, vicious)
3
unhappy(adjective, hard)
3
unpitying(adjective, mean, hard, cool, severe)
3
unsparing(adjective, tough, severe, cruel)
2
adverse(adjective, person, mean, bad, wrong)
2
austere(adjective, hard, tough, severe, sharp)
2
bestial(adjective, animal, mean, severe, evil)
2
bleak(adjective, tough, severe, cruel)
2
depraved(adjective, wrong, evil, nasty)
2
distressing(adjective, tough, cruel, wicked)
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APASmart Define. (2016). unkind thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unkind/thesaurus/synonyms
ChicagoSmart Define. 2016. "unkind thesaurus" https://smartdefine.org/unkind/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, unkind thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unkind/thesaurus/synonyms>.
MLASmart Define. "unkind thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/unkind/thesaurus/synonyms>