116 entries under serious topic. ×
| hard-nosed(adjective, clear, strong, hard, tough) | |
| exacting(adjective, hard, tough, easy, rough) | |
| bitter(adjective, mean, strong, hard, cool) | |
| stringent(adjective, hard, tough, rough, firm) | |
| sad(adjective, hard, difficult, awful, terrible) | |
| unbending(adjective, clear, strong, hard, tough) | |
| critical(adjective, hard, tough, difficult, harsh) | |
| unfeeling(adjective, person, mean, hard, tough) | |
| relentless(adjective, appearance, mean, strong, hard) | |
| caustic(adjective, mean, evil, sharp, nasty) | |
| dour(adjective, hard, tough, firm, attitude) | |
| pitiless(adjective, person, mean, hard, tough) | |
| cold(adjective, calm, mean, hard, cool) | |
| heavy(adjective, strong, hard, tough, difficult) | |
| obdurate(adjective, mean, strong, hard, tough) | |
| stiff(adjective, hard, tough, rough, firm) | |
| dangerous(adjective, help, bad, hard, tough) | |
| inexorable(adjective, appearance, mean, strong, hard) | |
| forbidding(adjective, appearance, strong, hard, tough) | |
| unsparing(adjective, person, mean, strong, hard) |
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| APA | Smart Define. (2016). severe thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/severe/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "severe thesaurus" https://smartdefine.org/severe/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, severe thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/severe/thesaurus/synonyms>. |
| MLA | Smart Define. "severe thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/severe/thesaurus/synonyms> |