239 entries under severe topic. ×
| unpleasant(adjective, mean, hard, cool) | |
| worrying(adjective, difficult, heavy, important) | |
| anesthetized(adjective, hard, cruel, unsympathetic) | |
| astringent(adjective, strong, hard, harsh) | |
| challenging(hard, great, difficult, painful) | |
| comfortless(adjective, hard, sharp, nasty) | |
| difficile(rough, difficult, painful, problematic) | |
| immense(adjective, person, body, painful) | |
| insensate(noun, adjective, hard, careless) | |
| irritating(adjective, dull, boring, grim) | |
| keen(adjective, clear, excellent, fine) | |
| no-nonsense(adjective, sharp, firm, harsh) | |
| outrageous(adjective, bad, offensive, awful) | |
| rude(adjective, hard, sharp, nasty) | |
| sharp(adjective, hard, smart, nasty) | |
| titanic(painful, problematic, trying) | |
| ugly(adjective, bad, offensive, dark) | |
| zealous(adjective, clear, strong, smart) | |
| cantankerous(adjective, hard, firm, difficult) | |
| Draconian(adjective, firm, harsh, rigid) |
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| APA | Smart Define. (2016). tough thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/tough/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "tough thesaurus" https://smartdefine.org/tough/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, tough thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/tough/thesaurus/synonyms>. |
| MLA | Smart Define. "tough thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/tough/thesaurus/synonyms> |