280 entries under tough topic. ×
| ugly(adjective, severe, evil, rough) | |
| uncivil(adjective, severe, sharp, nasty) | |
| ungracious(adjective, mean, severe, sharp) | |
| unjust(adjective, harsh, rude, cruel) | |
| unregenerate(adjective, harsh, cruel, grim) | |
| unrepenting(adjective, harsh, cruel, grim) | |
| unshakable(adjective, mean, strong, harsh) | |
| upsetting(adjective, severe, offensive, tricky) | |
| Draconian(severe, firm, harsh, rigid) | |
| asleep(adjective, severe, cruel, unsympathetic) | |
| astute(sound, reasonable, sharp, sensible) | |
| benumbed(adjective, severe, firm, solid) | |
| bloody(adjective, rough, harsh, coarse) | |
| bullhead(adjective, mean, harsh, stiff) | |
| by the book(expression, adjective, idiom, strong) | |
| churlish(adjective, severe, rough, nasty) | |
| cold fish(expression, adjective, mean, severe) | |
| congealed(adjective, set, firm, solid) | |
| crass(adjective, mean, strong, harsh) | |
| crotchety(adjective, severe, cruel, unsympathetic) |
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| APA | Smart Define. (2016). hard thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/hard/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "hard thesaurus" https://smartdefine.org/hard/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, hard thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/hard/thesaurus/synonyms>. |
| MLA | Smart Define. "hard thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/hard/thesaurus/synonyms> |