116 entries under serious topic. ×
| firm(noun, adjective, clear, strong, hard) | |
| astringent(adjective, characteristic, strong, hard, tough) | |
| unrelenting(adjective, appearance, mean, strong, hard) | |
| authoritarian(adjective, strong, hard, tough, firm) | |
| close(adjective, strong, correct, harsh, solid) | |
| flinty(adjective, strong, hard, tough, harsh) | |
| harrowing(adjective, tender, offensive, extreme, raw) | |
| earnest(adjective, calm, quiet, set, strong) | |
| inconsiderate(adjective, hard, tough, harsh, rude) | |
| desperate(adjective, harsh, exceptional, extreme) | |
| fearful(adjective, great, wicked, extreme) | |
| frightful(adjective, appearance, great, terrible, extreme) | |
| hard-shell(adjective, strong, hard, tough) | |
| monstrous(adjective, great, harsh, awful, wicked) | |
| revolting(adjective, bad, offensive, intense, foul) | |
| sedate(adjective, calm, quiet, set, reasonable) | |
| solemn(adjective, calm, quiet, set, hard) | |
| steely(adjective, strong, hard, tough, harsh) | |
| afflictive(adjective, hard, tender, awful, heavy) | |
| crucial(adjective, tough, big, heavy, deep) |
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| APA | Smart Define. (2016). severe thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/severe/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "severe thesaurus" https://smartdefine.org/severe/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, severe thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/severe/thesaurus/synonyms>. |
| MLA | Smart Define. "severe thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/severe/thesaurus/synonyms> |