- Definitions|2
- Thesaurus|2.1k
- Abbreviations|0
275 entries under adjective topic. ×
| tender(raw, painful, burning, sore) | |
| torturous | |
| vexatious(dull, difficult, tender, boring) | |
| withering | |
| woeful | |
| Daedalean(hard, fancy, difficult, complex) | |
| bleeding | |
| bloody | |
| boresome(dull, boring, tired, tedious) | |
| bruised | |
| bumpy | |
| can of worms(expression, idiom, hard, fancy) | |
| clayey | |
| convoluted(hard, fancy, difficult, complex) | |
| craggy | |
| crucial(tough, severe, deep, painful) | |
| dangerous(tough, severe, deep, grim) | |
| debilitating(tiring, wearing) | |
| diligent(difficult, tedious, protracted) | |
| drag(dull, boring, tired, tedious) |
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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> |