- Definitions|1
- Thesaurus|302
- Abbreviations|0
71 entries under adjective topic. ×
| unsparing(tough, rough, difficult, harsh) | |
| weighty | |
| awkward(difficult, complex, demanding, complicated) | |
| bad | |
| harsh | |
| merciless(tough, rough, difficult, heavy) | |
| painstaking | |
| scabrous(tough, rough, difficult, heavy) | |
| slavish(tough, rough, difficult, heavy) | |
| tedious | |
| uphill battle(expression, tough, rough, difficult) |
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| APA | Smart Define. (2015). effortful thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/effortful/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "effortful thesaurus" https://smartdefine.org/effortful/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, effortful thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/effortful/thesaurus/synonyms>. |
| MLA | Smart Define. "effortful thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/effortful/thesaurus/synonyms> |