- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
148 entries under difficult topic. ×
| problematical(adjective, awkward, demanding, grueling) | |
| quickened | |
| scabrous(adjective, tough, rough, heavy) | |
| steamed up(expression, stressful) | |
| stimulated | |
| stirring | |
| uphill battle(expression, adjective, tough, rough) | |
| warm |
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| APA | Smart Define. (2016). strenuous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/strenuous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "strenuous thesaurus" https://smartdefine.org/strenuous/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, strenuous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/strenuous/thesaurus/synonyms>. |
| MLA | Smart Define. "strenuous thesaurus" 1 April 2016. Web. 23 September 2026. <https://smartdefine.org/strenuous/thesaurus/synonyms> |