- Definitions|2
- Thesaurus|1.8k
- Abbreviations|0
95 entries under tough topic. ×
| arduous(adjective, dull, hard, great) | |
| hard(adjective, dull, great, easy) | |
| toilsome(adjective, hard, great, difficulty) | |
| difficult(adjective, dull, hard, great) | |
| operose(adjective, work, hard, severe) | |
| burdensome(adjective, dull, hard, severe) | |
| rough(adjective, hard, great, severe) | |
| severe(adjective, hard, rough, difficult) | |
| strenuous(adjective, dull, hard, great) | |
| trying(adjective, dull, hard, severe) | |
| onerous(adjective, dull, hard, great) | |
| grave(adjective, hard, severe, difficult) | |
| wearisome(adjective, dull, hard, difficult) | |
| demanding(adjective, dull, hard, severe) | |
| heavy(adjective, dull, hard, severe) | |
| stiff(adjective, hard, severe, rough) | |
| tiring(adjective, dull, difficult, awkward) | |
| troublesome(adjective, hard, severe, difficulty) | |
| uphill(adjective, hard, great, easy) | |
| formidable(adjective, severe, difficulty, rough) |
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| APA | Smart Define. (2016). laborious thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/laborious/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "laborious thesaurus" https://smartdefine.org/laborious/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, laborious thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/laborious/thesaurus/synonyms>. |
| MLA | Smart Define. "laborious thesaurus" 26 February 2016. Web. 27 September 2026. <https://smartdefine.org/laborious/thesaurus/synonyms> |