- Definitions|2
- Thesaurus|2.1k
- Abbreviations|0
275 entries under adjective topic. ×
| aggravating | |
| brutal(unpleasant, grim, savage, demanding) | |
| chafing | |
| contrary | |
| dense(difficult, complex, intricate, thorny) | |
| difficile(tough, severe, rough, difficult) | |
| exigent(difficult, heavy, taxing) | |
| hairy(hard, severe, rough, difficult) | |
| horrendous | |
| inflaming | |
| insufferable | |
| irritated(tender, raw, painful, burning) | |
| mean(hard, severe, rough, difficult) | |
| miserable | |
| odious | |
| offensive | |
| precipitate(sharp, course, quick, rash) | |
| prickly(painful, burning, stinging, tingly) | |
| stern(hard, severe, rough, difficult) | |
| tall |
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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> |