- Definitions|2
- Thesaurus|383
- Abbreviations|0
97 entries under tough topic. ×
| exhausting(adjective, hard, rough, difficult) | |
| hairy(adjective, severe, rough, difficult) | |
| herculean(adjective, severe, difficult, awkward) | |
| irksome(adjective, rough, difficult, heavy) | |
| labored(adjective, hard, severe, difficult) | |
| no picnic(expression, hard, severe, rough) | |
| not easy(expression, severe, painful, problematic) | |
| rigorous(adjective, hard, severe, rough) | |
| slavish(adjective, rough, difficult, heavy) | |
| tiring(adjective, hard, rough, difficult) | |
| titanic(severe, painful, problematic, trying) | |
| backbreaker(severe, painful, problematic, trying) | |
| bothersome(adjective, severe, rough, difficult) | |
| challenging(adjective, severe, difficult, awkward) | |
| crucial(severe, painful, problematic, weighty) | |
| deep(adjective, severe, difficult, important) | |
| easier said than done(expression, severe, painful, problematic) | |
| far-reaching(adjective, severe, important, significant) | |
| fateful(adjective, severe, important, significant) | |
| fatiguing(adjective, hard, rough, difficult) |
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| APA | Smart Define. (2015). operose thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/operose/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "operose thesaurus" https://smartdefine.org/operose/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, operose thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/operose/thesaurus/synonyms>. |
| MLA | Smart Define. "operose thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/operose/thesaurus/synonyms> |