- Definitions|2
- Thesaurus|2.1k
- Abbreviations|0
54 entries under problematical topic. ×
| sticky(adjective, hard, difficult, complex, awkward) | |
| toilful(adjective, hard, difficult, complex, awkward) | |
| fatiguing(adjective, dull, difficult, awkward, boring) | |
| grueling(adjective, hard, tough, severe, difficult) | |
| troublesome(adjective, hard, tough, difficulty, difficult) | |
| uphill(adjective, hard, great, tough, easy) | |
| demanding(adjective, dull, hard, tough, severe) | |
| tiring(adjective, dull, tough, difficult, awkward) | |
| formidable(adjective, tough, severe, difficulty, rough) | |
| heavy(adjective, dull, tough, severe, rough) | |
| exacting(adjective, dull, hard, tough, severe) | |
| wearying(adjective, dull, difficult, awkward, boring) | |
| rigorous(adjective, hard, tough, severe, rough) | |
| wearisome(adjective, dull, tough, severe, difficult) | |
| effortful(adjective, hard, great, tough, rough) | |
| terrible(adjective, difficult, tender, awkward, raw) | |
| distressing(adjective, difficult, harsh, tender, cruel) | |
| Herculean(adjective, tough, severe, difficult, awkward) | |
| labored(adjective, hard, great, tough, rough) | |
| wearing(adjective, dull, hard, tough, difficult) |
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| APA | Smart Define. (2016). arduous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/arduous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "arduous thesaurus" https://smartdefine.org/arduous/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, arduous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/arduous/thesaurus/synonyms>. |
| MLA | Smart Define. "arduous thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/arduous/thesaurus/synonyms> |