- Definitions|2
- Thesaurus|1.1k
- Abbreviations|0
63 entries under problematic topic. ×
| boorish(tough, trying) | |
| fastidious(tough, trying) | |
| finicky(tough, trying) | |
| fractious(tough, trying) | |
| fussy(tough, trying) | |
| grim(tough, severe, weighty, trying) | |
| grueling(tough, trying) | |
| hard to please(expression, idiom, tough, trying) | |
| intractable(tough, trying) | |
| irritable(tough, trying) | |
| oafish(tough, trying) | |
| obstreperous(tough, trying) | |
| painful(tough, severe, trying) | |
| perverse(tough, trying) | |
| picky(tough, trying) | |
| refractory(tough, trying) | |
| rude(tough, trying) | |
| testing(tough, trying) | |
| tiresome(tough, trying) | |
| tiring(tough, trying) |
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| APA | Smart Define. (2016). crucial thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/crucial/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "crucial thesaurus" https://smartdefine.org/crucial/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, crucial thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/crucial/thesaurus/synonyms>. |
| MLA | Smart Define. "crucial thesaurus" 11 March 2016. Web. 26 September 2026. <https://smartdefine.org/crucial/thesaurus/synonyms> |