197 entries under hard topic. ×
| massive(adjective, difficult, complex) | |
| nasty(adjective, severe, rough, difficult) | |
| sensitive(adjective, difficult, delicate, uncertain) | |
| serious(adjective, strong, tough, difficult) | |
| stubborn(adjective, strong, tough, difficulty) | |
| toilful(adjective, difficult, complex, awkward) | |
| dire(adjective, difficult, unpleasant, complex) | |
| painful(adjective, tough, difficult, harsh) | |
| punishing(adjective, difficult, complex) | |
| uneven(adjective, mean, smooth, severe) | |
| craggy(adjective, smooth, severe, sharp) | |
| jagged(adjective, mean, smooth, severe) | |
| coarse(adjective, smooth, severe, sharp) | |
| rude(adjective, severe, rough, nasty) | |
| firm(adjective, set, strong, sound) | |
| stern(adjective, tough, severe, rough) | |
| demanding(adjective, tough, severe, rough) | |
| bitter(adjective, strong, tough, severe) | |
| brutal(adjective, tough, severe, rough) | |
| churlish(adjective, rough, nasty, rude) |
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| APA | Smart Define. (2015). rugged thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/rugged/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "rugged thesaurus" https://smartdefine.org/rugged/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, rugged thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/rugged/thesaurus/synonyms>. |
| MLA | Smart Define. "rugged thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/rugged/thesaurus/synonyms> |