259 entries under tough topic. ×

4
ugly(adjective, bad, offensive, awful)
4
unjust(adjective, hard, harsh, rude)
4
upsetting(adjective, hard, great, offensive)
3
bluff(adjective, hard, harsh, rude)
3
boisterous(adjective, hard, rough, difficult)
3
crucial(adjective, big, heavy, deep)
3
exhausting(adjective, hard, rough, difficult)
3
gross(adjective, bad, hard, harsh)
3
hard-boiled(adjective, calm, strong, hard)
3
hard-line(adjective, strong, hard, rough)
3
important(adjective, big, heavy, deep)
3
momentous(adjective, big, heavy, important)
3
not easy(expression, idiom, painful, problematic)
3
picky(adjective, firm, harsh, rigid)
3
robust(adjective, strong, hard, sturdy)
3
stiff-necked(adjective, strong, hard, harsh)
3
wearing(adjective, hard, rough, difficult)
3
wearying(adjective, rough, difficult, heavy)
2
adamantine(adjective, strong, hard, harsh)
2
antagonistic(adjective, nasty, harsh, hostile)
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APASmart Define. (2016). severe thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/severe/thesaurus/synonyms
ChicagoSmart Define. 2016. "severe thesaurus" https://smartdefine.org/severe/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, severe thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/severe/thesaurus/synonyms>.
MLASmart Define. "severe thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/severe/thesaurus/synonyms>