- Definitions|2
- Thesaurus|2.1k
- Abbreviations|0
134 entries under difficult topic. ×
| wearying(adjective, dull, awkward, boring) | |
| rigorous(adjective, hard, tough, severe, rough) | |
| unpleasant(adjective, harsh, tender, cruel) | |
| wearisome(adjective, dull, tough, severe) | |
| stiff(adjective, hard, tough, severe, rough) | |
| effortful(adjective, hard, great, tough, rough) | |
| harrowing(adjective, hard, severe, tender) | |
| terrible(adjective, tender, awkward, raw) | |
| distressing(adjective, harsh, tender, cruel) | |
| harsh | |
| ticklish | |
| time-consuming(hard, tough, slow, heavy) | |
| Herculean(adjective, tough, severe, awkward) | |
| labored(adjective, hard, great, tough, rough) | |
| tedious(adjective, dull, tender, boring) | |
| wearing(adjective, dull, hard, tough) | |
| awkward(adjective, demanding, problematic, grueling) | |
| bothersome(adjective, hard, tough, severe) | |
| challenging(adjective, hard, great, tough, severe) | |
| cumbersome |
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| APA | Smart Define. (2016). arduous thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/arduous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "arduous thesaurus" https://smartdefine.org/arduous/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, arduous thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/arduous/thesaurus/synonyms>. |
| MLA | Smart Define. "arduous thesaurus" 26 February 2016. Web. 21 September 2026. <https://smartdefine.org/arduous/thesaurus/synonyms> |