3
unpitying(adjective, mean, hard, cool, severe)
3
unsparing(adjective, tough, severe, harsh, cruel)
3
unyielding
3
venomous(mean, nasty, malicious, spiteful, vindictive)
3
wanton(adjective, behavior, aroused negative, aroused awful feeling)
2
Draconian
2
abominable(adjective, mean, wrong, nasty, unpleasant)
2
acerbic
2
acidulous
2
adverse(adjective, person, mean, bad, wrong)
2
antipathetic(adjective, mean, hard, cool, unpleasant)
2
apathetic(adjective, mean, hard, cool, tough)
2
austere(adjective, hard, tough, severe, sharp)
2
bad-natured(adjective, nasty, wicked, malicious, spiteful)
2
belligerent(adjective, mean, nasty, unfriendly, hateful)
2
bestial(adjective, animal, mean, severe, evil)
2
biting
2
bleak(adjective, tough, severe, harsh, cruel)
2
comfortless(adjective, hard, severe, sharp, nasty)
2
dangerous(adjective, nasty, cruel, wicked, uncaring)
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APASmart Define. (2016). unkind thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/unkind/thesaurus/synonyms
ChicagoSmart Define. 2016. "unkind thesaurus" https://smartdefine.org/unkind/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, unkind thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/unkind/thesaurus/synonyms>.
MLASmart Define. "unkind thesaurus" 31 March 2016. Web. 21 September 2026. <https://smartdefine.org/unkind/thesaurus/synonyms>