77 entries under strenuous topic. ×
| inspiring | |
| intense | |
| melodramatic | |
| moving | |
| poignant(upsetting, stressful, worrying) | |
| precipitate | |
| pressured | |
| quickened | |
| relentless | |
| sapping(adjective, tedious, demanding, fatal) | |
| spirited | |
| steamed up(expression, stressful) | |
| stimulated | |
| stirring | |
| vehement | |
| warm | |
| zealous |
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| APA | Smart Define. (2016). difficult thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/difficult/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "difficult thesaurus" https://smartdefine.org/difficult/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, difficult thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/difficult/thesaurus/synonyms>. |
| MLA | Smart Define. "difficult thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/difficult/thesaurus/synonyms> |