128 entries under difficult topic. ×
| inclement(adjective, nature, quiet, hard, severe) | |
| scabrous(adjective, smooth, rude, property) | |
| bitter(adjective, strong, hard, tough, severe) | |
| formidable(adjective, hard, tough, nasty) | |
| heavy(noun, adjective, calm, strong, hard) | |
| unpleasant(adjective, hard, severe, nasty) | |
| austere(adjective, strong, hard, simple, tough) | |
| demanding(adjective, hard, tough, severe) | |
| merciless(adjective, person, hard, harsh) | |
| rigorous(adjective, strong, hard, tough, severe) | |
| stern(adjective, hard, tough, severe) | |
| mean(noun, adjective, hard, severe, lower) | |
| stiff(adjective, hard, severe, harsh) | |
| strenuous(adjective, action, hard, great, tough) | |
| cantankerous(adjective, hard, nasty, dark) | |
| exacting(adjective, hard, tough, severe) | |
| onerous(adjective, hard, great, tough, severe) | |
| uphill(adjective, hard, great, tough) | |
| effortful(adjective, great, tough, heavy) | |
| inflexible(adjective, person, strong, hard, tough) |
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| APA | Smart Define. (2016). rough thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/rough/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "rough thesaurus" https://smartdefine.org/rough/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, rough thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/rough/thesaurus/synonyms>. |
| MLA | Smart Define. "rough thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/rough/thesaurus/synonyms> |