- Definitions|1
- Thesaurus|404
- Abbreviations|0
53 entries under hard topic. ×
| tiring(adjective, severe, rough, difficult) | |
| uphill(adjective, tough, severe, rough) | |
| wearisome(adjective, tough, rough, difficult) | |
| Herculean(adjective, strong, rough, difficult) | |
| formidable(adjective, tough, severe, rough) | |
| irksome(adjective, tough, severe, rough) | |
| rigorous(adjective, tough, severe, rough) | |
| troublesome(adjective, rough, difficult, harsh) | |
| fatiguing(adjective, severe, rough, difficult) | |
| hairy(adjective, severe, rough, difficult) | |
| mean(adjective, rough, difficult, cruel) | |
| murder(adjective, tough, rough, difficult) | |
| wearing(adjective, tough, rough, difficult) |
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| APA | Smart Define. (2015). backbreaking thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/backbreaking/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "backbreaking thesaurus" https://smartdefine.org/backbreaking/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, backbreaking thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/backbreaking/thesaurus/synonyms>. |
| MLA | Smart Define. "backbreaking thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/backbreaking/thesaurus/synonyms> |