107 entries under demanding topic. ×
| tiring(adjective, hard, tough, rough, difficult) | |
| boorish(adjective, hard, tough, harsh, rude) | |
| irritable(adjective, tough, cross, grim, contrary) | |
| problematical(adjective, difficult, awkward, grueling) | |
| scabrous(adjective, tough, rough, difficult, heavy) | |
| slavish(adjective, tough, rough, difficult, heavy) | |
| uphill battle(expression, adjective, tough, rough, difficult) |
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| APA | Smart Define. (2016). severe thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/severe/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "severe thesaurus" https://smartdefine.org/severe/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, severe thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/severe/thesaurus/synonyms>. |
| MLA | Smart Define. "severe thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/severe/thesaurus/synonyms> |