- Definitions|1
- Thesaurus|404
- Abbreviations|0
19 entries under tough topic. ×
| grueling(adjective, hard, severe, difficult) | |
| labored(adjective, hard, severe, rough) | |
| uphill(adjective, hard, severe, rough) | |
| wearisome(adjective, hard, rough, difficult) | |
| bothersome(adjective, rough, difficult, heavy) | |
| formidable(adjective, hard, severe, rough) | |
| irksome(adjective, hard, severe, rough) | |
| rigorous(adjective, hard, severe, rough) | |
| difficile(adjective, rough, difficult, heavy) | |
| distressing(adjective, severe, rough, difficult) | |
| merciless(adjective, severe, rough, difficult) | |
| murder(adjective, hard, rough, difficult) | |
| scabrous(adjective, rough, difficult, heavy) | |
| slavish(adjective, rough, difficult, heavy) | |
| terrible(adjective, rough, difficult, heavy) | |
| unsparing(adjective, rough, difficult, heavy) | |
| uphill battle(expression, adjective, rough, difficult) | |
| wearing(adjective, hard, rough, difficult) | |
| wearying(adjective, rough, difficult, heavy) |
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| APA | Smart Define. (2015). backbreaking thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/backbreaking/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "backbreaking thesaurus" https://smartdefine.org/backbreaking/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, backbreaking thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/backbreaking/thesaurus/synonyms>. |
| MLA | Smart Define. "backbreaking thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/backbreaking/thesaurus/synonyms> |