155 entries under difficult topic. ×
| stressful(adjective, hard, complex) | |
| stringent(adjective, hard, tough, rough, firm) | |
| ambitious(adjective, hard, ability, complex) | |
| demanding(adjective, hard, tough, easy, rough) | |
| intricate(adjective, hard, complex, awkward) | |
| sad(adjective, hard, awful, terrible) | |
| critical(adjective, hard, tough, harsh) | |
| knotted(adjective, hard, complex) | |
| precarious(adjective, hard, complex, dangerous) | |
| sheer(adjective, hard, harsh, pure) | |
| sticky(adjective, hard, complex, awkward) | |
| heavyweight(adjective, hard, complex) | |
| involved(adjective, hard, complex, awkward) | |
| ponderous(adjective, hard, complex) | |
| problematic(adjective, hard, complex) | |
| toilful(adjective, hard, complex, awkward) | |
| pitiless(adjective, person, mean, hard, tough) | |
| terrible(adjective, appearance, bad, hard, great) | |
| heavy(adjective, strong, hard, tough) | |
| stiff(adjective, hard, tough, rough, firm) |
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| APA | Smart Define. (2016). severe thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/severe/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "severe thesaurus" https://smartdefine.org/severe/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, severe thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/severe/thesaurus/synonyms>. |
| MLA | Smart Define. "severe thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/severe/thesaurus/synonyms> |