344 entries under hard topic. ×
| rigorous(adjective, strong, tough, correct) | |
| nasty(adjective, bad, tough, difficult) | |
| rugged(adjective, strong, tough, rough) | |
| extreme(adjective, strong, great, tough) | |
| punishing(adjective, difficult, harsh, complex) | |
| unbearable(adjective, difficult, complex, painful) | |
| laborious(adjective, tough, rough, difficult) | |
| taxing(adjective, tough, difficult, harsh) | |
| toilsome(adjective, tough, difficult, harsh) | |
| inflexible(adjective, strong, tough, rough) | |
| grinding(adjective, difficult, harsh, pain) | |
| tight(adjective, difficult, complex, rigid) | |
| knotty(adjective, difficult, violent, complex) | |
| stubborn(adjective, appearance, strong, tough) | |
| thorny(adjective, difficult, complex, problematic) | |
| trying(adjective, difficult, heavy, complex) | |
| uncompromising(adjective, clear, tough, rough) | |
| grim(adjective, appearance, mean, strong) | |
| hard-nosed(adjective, clear, strong, tough) | |
| heavy-handed(adjective, difficult, complex) |
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| APA | Smart Define. (2016). severe thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/severe/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "severe thesaurus" https://smartdefine.org/severe/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, severe thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/severe/thesaurus/synonyms>. |
| MLA | Smart Define. "severe thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/severe/thesaurus/synonyms> |