| contrary | |
| crabby | |
| delicate | |
| disagreeable | |
| downriver | |
| downstream | |
| ebb | |
| fractious(tough, problematic, trying) | |
| fussy(tough, problematic, trying) | |
| grim(tough, problematic, trying) | |
| grueling(tough, problematic, trying) | |
| hard | |
| hard to please(expression, idiom, tough, problematic, trying) | |
| impolite(tough, problematic, trying) | |
| intractable(tough, problematic, trying) | |
| irritable(tough, problematic, trying) | |
| knotty | |
| oafish(tough, problematic, trying) | |
| obstreperous(tough, problematic, trying) | |
| perverse(tough, problematic, trying) |
For more, visit
Upstream on
Power Thesaurus
| APA | Smart Define. (2015). upstream thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/upstream/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "upstream thesaurus" https://smartdefine.org/upstream/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, upstream thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/upstream/thesaurus/synonyms>. |
| MLA | Smart Define. "upstream thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/upstream/thesaurus/synonyms> |