59 entries under problematic topic. ×
| labored(tough, trying) | |
| laborious(tough, trying, disorderly, unruly) | |
| no picnic(expression, tough, trying) | |
| not easy(expression, tough, trying) | |
| oafish(tough, grim, trying, troublesome) | |
| onerous(tough, trying) | |
| operose(tough, trying) | |
| painful(tough, trying, disorderly, unruly) | |
| picky(tough, trying) | |
| prohibitive(tough, trying) | |
| strenuous(tough, trying) | |
| testing(tough, trying) | |
| tiring(tough, trying) | |
| toilsome(tough, trying) | |
| unamenable(tough, grim, trying, troublesome) | |
| unmanageable socially(expression, tough, grim, trying) | |
| uphill(tough, trying, disorderly, unruly) | |
| upstream(tough, trying) | |
| wearisome(tough, trying, disorderly, unruly) |
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| APA | Smart Define. (2015). refractory thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/refractory/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "refractory thesaurus" https://smartdefine.org/refractory/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, refractory thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/refractory/thesaurus/synonyms>. |
| MLA | Smart Define. "refractory thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/refractory/thesaurus/synonyms> |