344 entries under hard topic. ×
| operose(adjective, tough, difficult, violent) | |
| profound(adjective, difficult, intense, complex) | |
| tricky(adjective, difficult, complex, awkward) | |
| violent(adjective, clear, strong, tough) | |
| backbreaking(adjective, difficult, heavy, cruel) | |
| brutal(adjective, person, mean, tough) | |
| complex(adjective, difficult) | |
| exacting(adjective, tough, easy, rough) | |
| hefty(adjective, difficult, harsh, big) | |
| bitter(adjective, mean, strong, cool) | |
| complicated(adjective, difficult, complex, awkward) | |
| disturbing(adjective, difficult, awful, terrible) | |
| fierce(adjective, mean, clear, strong) | |
| heartrending(adjective, difficult, complex) | |
| massive(adjective, difficult, complex) | |
| sensitive(adjective, difficult, complex, painful) | |
| stressful(adjective, difficult, complex) | |
| stringent(adjective, tough, rough, firm) | |
| ambitious(adjective, ability, difficult, complex) | |
| demanding(adjective, tough, easy, rough) |
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| APA | Smart Define. (2016). severe thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/severe/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "severe thesaurus" https://smartdefine.org/severe/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, severe thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/severe/thesaurus/synonyms>. |
| MLA | Smart Define. "severe thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/severe/thesaurus/synonyms> |