- Definitions|2
- Thesaurus|752
- Abbreviations|0
51 entries under severe topic. ×
| arduous(adjective, hard, great, tough, easy) | |
| laborious(adjective, hard, great, tough, easy) | |
| tough(adjective, great, easy, rough) | |
| hard(adjective, great, tough, easy) | |
| strenuous(adjective, hard, great, tough) | |
| onerous(adjective, great, tough, difficult) | |
| formidable(adjective, tough, rough, difficult) | |
| stiff(adjective, tough, difficult, grim) | |
| troublesome(adjective, tough, difficult, awkward) | |
| wearisome(adjective, tough, difficult, awkward) | |
| rugged(adjective, hard, rough, difficult) | |
| burdensome(adjective, tough, difficult, awkward) | |
| effortful(adjective, great, tough, difficult) | |
| knotty(adjective, hard, tough, rough) | |
| demanding(adjective, hard, tough, rough) | |
| operose(adjective, tough, rough, difficult) | |
| painful(hard, tough, difficult, problematic) | |
| rigorous(adjective, hard, tough, rough) | |
| exacting(adjective, tough, rough, difficult) | |
| heavy(adjective, tough, rough, difficult) |
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| APA | Smart Define. (2015). uphill thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/uphill/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "uphill thesaurus" https://smartdefine.org/uphill/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, uphill thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/uphill/thesaurus/synonyms>. |
| MLA | Smart Define. "uphill thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/uphill/thesaurus/synonyms> |