- Definitions|2
- Thesaurus|2.1k
- Abbreviations|0
84 entries under tough topic. ×
| slavish(adjective, rough, difficult, heavy) | |
| unaccommodating(problematic, trying) | |
| unamenable(problematic, trying) | |
| unmanageable socially(expression, problematic, trying) |
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| APA | Smart Define. (2016). arduous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/arduous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "arduous thesaurus" https://smartdefine.org/arduous/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, arduous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/arduous/thesaurus/synonyms>. |
| MLA | Smart Define. "arduous thesaurus" 26 February 2016. Web. 28 September 2026. <https://smartdefine.org/arduous/thesaurus/synonyms> |