367 entries under hard topic. ×

3
blunt(adjective, harsh, rude, gloomy)
3
bothersome(adjective, severe, rough, difficult)
3
cold-hearted(adjective, severe, cruel, unfeeling)
3
dour(adjective, severe, sharp, firm)
3
forbidding(adjective, strong, severe, firm)
3
impervious(noun, adjective, set, strong)
3
inconsiderate(adjective, harsh, rude, cruel)
3
insensible(adjective, strong, severe, careless)
3
iron(adjective, mean, strong, firm)
3
no picnic(expression, severe, rough, difficult)
3
pragmatic(adjective, sharp, sensible, sober)
3
uncharitable(adjective, mean, unsympathetic)
3
unmerciful(adjective, harsh, cruel, grim)
3
unpleasant(adjective, mean, cool, severe)
3
wearing(adjective, dull, difficult, boring)
2
anesthetized(adjective, severe, cruel, unsympathetic)
2
astringent(adjective, strong, severe, harsh)
2
barbarous(adjective, harsh, violent, wild)
2
challenging(great, severe, difficult, painful)
2
coldhearted(adjective, indifferent, unfeeling, unsympathetic)
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APASmart Define. (2016). tough thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/tough/thesaurus/synonyms
ChicagoSmart Define. 2016. "tough thesaurus" https://smartdefine.org/tough/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, tough thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/tough/thesaurus/synonyms>.
MLASmart Define. "tough thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/tough/thesaurus/synonyms>