116 entries under hard topic. ×

5
unpleasant(adjective, mean, cool, tough)
5
wicked(adjective, mean, bad, wrong)
4
brutish(adjective, evil, nasty, harsh)
4
cold-hearted(adjective, person, tough, severe)
4
coldhearted(adjective, mean, severe, harsh)
4
hard-boiled(adjective, bad, tough, severe)
4
indifferent(adjective, person, mean, cool)
4
stony(adjective, person, mean, cool)
4
uncongenial(adjective, mean, cool, unpleasant)
4
unforgiving(adjective, mean, severe, harsh)
4
unloving(adjective, person, feelings, cruel)
4
unresponsive(adjective, mean, bad, cool)
3
abusive(adjective, mean, severe, sharp)
3
churlish(adjective, mean, tough, severe)
3
gruff(adjective, severe, sharp, rough)
3
insensate(adjective, bad, tough, severe)
3
iron-hearted(adjective, bad, tough, severe)
3
remorseless(adjective, animal, mean, severe)
3
senseless(adjective, bad, tough, severe)
3
unhappy(adjective, harsh)
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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>