483 entries under adjective topic. ×

3
inflexible
3
insensate(bad, hard, tough, severe)
3
iron-hearted(bad, hard, tough, severe)
3
menacing(behavior, aroused negative, aroused awful feeling)
3
miserable
3
monstrous(severe, evil, nasty, harsh)
3
remorseless(animal, mean, hard, severe)
3
rigorous(tough, harsh, grim, painful)
3
senseless(bad, hard, tough, severe)
3
sinful(evil, nasty, harsh, vicious)
3
sour(mean, severe, nasty, cruel)
3
unbending
3
ungenerous(mean, nasty, hostile, unfriendly)
3
unhappy(hard, harsh)
3
unpitying(mean, hard, cool, severe)
3
unsparing(tough, severe, harsh, cruel)
3
unyielding
3
wanton(behavior, aroused negative, aroused awful feeling)
2
Draconian
2
abominable(mean, wrong, nasty, unpleasant)
10 years ago|18k views|share |citing 
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>