- Definitions|2
- Thesaurus|383
- Abbreviations|0
97 entries under tough topic. ×
| laborious(adjective, work, hard, severe) | |
| hard(adjective, severe, rough, difficult) | |
| arduous(adjective, hard, severe, rough) | |
| difficult(adjective, hard, severe, rough) | |
| toilsome(adjective, hard, difficult, complex) | |
| severe(adjective, hard, difficult, violent) | |
| burdensome(adjective, hard, difficult, complex) | |
| grave(adjective, hard, severe, difficult) | |
| grueling(adjective, hard, difficult, awkward) | |
| heavy(adjective, severe, rough, difficult) | |
| strenuous(adjective, hard, severe, rough) | |
| formidable(adjective, severe, rough, difficult) | |
| onerous(adjective, severe, difficult, awkward) | |
| troublesome(adjective, severe, difficult, awkward) | |
| wearisome(adjective, severe, difficult, awkward) | |
| effortful(adjective, severe, difficult, awkward) | |
| uphill(adjective, severe, rough, difficult) | |
| demanding(adjective, severe, rough, difficult) | |
| difficile(adjective, severe, rough, difficult) | |
| exacting(adjective, severe, rough, difficult) |
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| APA | Smart Define. (2015). operose thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/operose/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "operose thesaurus" https://smartdefine.org/operose/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, operose thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/operose/thesaurus/synonyms>. |
| MLA | Smart Define. "operose thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/operose/thesaurus/synonyms> |