65 entries under tough topic. ×
| unyielding(severe, painful, problematic, trying) | |
| wearisome(severe, painful, problematic, trying) | |
| argumentative(problematic, trying) | |
| bearish(problematic, trying) | |
| boorish(problematic, trying) | |
| fractious(problematic, trying) | |
| fussy(problematic, trying) | |
| grim(problematic, trying) | |
| grueling(problematic, trying) | |
| hard to please(expression, idiom, problematic, trying) | |
| impolite(problematic, trying) | |
| intractable(problematic, trying) | |
| irritable(problematic, trying) | |
| oafish(problematic, trying) | |
| obstreperous(problematic, trying) | |
| perverse(problematic, trying) | |
| picky(problematic, trying) | |
| refractory(problematic, trying) | |
| rude(problematic, trying) | |
| testing(problematic, trying) |
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| APA | Smart Define. (2015). upstream thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/upstream/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "upstream thesaurus" https://smartdefine.org/upstream/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, upstream thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/upstream/thesaurus/synonyms>. |
| MLA | Smart Define. "upstream thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/upstream/thesaurus/synonyms> |