- Definitions|2
- Thesaurus|2.1k
- Abbreviations|0
275 entries under adjective topic. ×
| agonizing(painful, sickness, ache, anguishes) | |
| steep(sharp, course, extreme, quick) | |
| aching(painful, sickness, ache, anguishes) | |
| exacting(dull, hard, tough, severe) | |
| excruciating(painful, sickness, ache, anguishes) | |
| piercing(painful, sickness, ache, anguishes) | |
| uncomfortable(painful, sickness, ache, anguishes) | |
| wearying(dull, difficult, awkward, boring) | |
| biting(painful, sickness, ache, anguishes) | |
| rigorous(hard, tough, severe, rough) | |
| throbbing(painful, sickness, ache, anguishes) | |
| unpleasant(difficult, harsh, tender, cruel) | |
| wearisome(dull, tough, severe, difficult) | |
| stiff(hard, tough, severe, rough) | |
| tormenting(painful, sickness, ache, anguishes) | |
| effortful(hard, great, tough, rough) | |
| harrowing(hard, severe, difficult, tender) | |
| hurtful(painful, sickness, ache, anguishes) | |
| terrible(difficult, tender, awkward, raw) | |
| abrupt(sharp, course, quick, rash) |
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| APA | Smart Define. (2016). arduous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/arduous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "arduous thesaurus" https://smartdefine.org/arduous/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, arduous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/arduous/thesaurus/synonyms>. |
| MLA | Smart Define. "arduous thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/arduous/thesaurus/synonyms> |