239 entries under severe topic. ×

5
icy(adjective, mean, hard, cool)
5
potent(adjective, clear, strong, sound)
5
unkind(adjective, mean, hard, cool)
4
aggressive(adjective, clear, strong, lively)
4
distressing(adjective, rough, nasty, harsh)
4
gutsy(adjective, clear, strong, lively)
4
intense(adjective, clear, strong, complete)
4
labored(adjective, great, rough, difficult)
4
not easy(expression, idiom, difficulty, difficult)
4
numb(noun, adjective, hard, cruel)
3
Herculean(adjective, strong, difficult, powerful)
3
awful(adjective, bad, offensive, unpleasant)
3
bothersome(adjective, hard, rough, difficult)
3
cold-hearted(adjective, hard, cruel, unfeeling)
3
craggy(adjective, bleak, stark, austere)
3
dour(adjective, hard, sharp, firm)
3
forbidding(adjective, strong, hard, firm)
3
forceful(adjective, clear, strong, sound)
3
insensible(adjective, strong, hard, careless)
3
no picnic(expression, hard, rough, difficult)
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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>