259 entries under tough topic. ×
| strong(adjective, hard, intense, violent) | |
| drastic(adjective, hard, rough, difficult) | |
| forbidding(adjective, appearance, strong, hard) | |
| inclement(adjective, hard, cool, keen) | |
| unsparing(adjective, person, mean, strong, hard) | |
| bleak(adjective, appearance, hard, cool) | |
| firm(noun, adjective, clear, strong, hard) | |
| unkind(adjective, hard, harsh, cruel) | |
| astringent(adjective, characteristic, strong, hard) | |
| draconian(adjective, firm, harsh, rigid) | |
| stony(adjective, mean, hard, harsh) | |
| unrelenting(adjective, appearance, mean, strong, hard) | |
| wicked(adjective, clear, hard, sharp) | |
| acrimonious(adjective, mean, evil, sharp) | |
| adamant(adjective, mean, strong, hard) | |
| authoritarian(adjective, strong, hard, firm) | |
| fastidious(adjective, problematic, trying, disapprobation) | |
| troublesome(adjective, hard, difficult, tender) | |
| formidable(adjective, appearance, great, difficult) | |
| hard-hearted(adjective, calm, mean, hard) |
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| APA | Smart Define. (2016). severe thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/severe/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "severe thesaurus" https://smartdefine.org/severe/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, severe thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/severe/thesaurus/synonyms>. |
| MLA | Smart Define. "severe thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/severe/thesaurus/synonyms> |