76 entries under tough topic. ×
| harsh(adjective, mean, hard, easy) | |
| severe(adjective, appearance, mean, hard) | |
| rigid(adjective, hard, easy, severe) | |
| hard(adjective, person, mean, easy) | |
| austere(adjective, appearance, hard, severe) | |
| strict(adjective, hard, easy, severe) | |
| grim(adjective, person, appearance, mean) | |
| rigorous(adjective, hard, severe, rough) | |
| inflexible(adjective, hard, severe, rough) | |
| stringent(adjective, hard, severe, rough) | |
| unsympathetic(adjective, person, mean, severe) | |
| firm(noun, adjective, hard, severe) | |
| unrelenting(adjective, appearance, mean, severe) | |
| exacting(adjective, hard, easy, severe) | |
| dour(adjective, hard, severe, sharp) | |
| unkind(adjective, person, hard, severe) | |
| obdurate(adjective, mean, hard, severe) | |
| unbending(adjective, hard, severe, rough) | |
| brutal(adjective, person, mean, hard) | |
| forbidding(adjective, appearance, severe, firm) |
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| APA | Smart Define. (2016). stern thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/stern/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "stern thesaurus" https://smartdefine.org/stern/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, stern thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/stern/thesaurus/synonyms>. |
| MLA | Smart Define. "stern thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/stern/thesaurus/synonyms> |