39 entries under painful topic. ×
| uphill(adjective, tough, severe, problematic) | |
| titanic(tough, severe, problematic, trying) | |
| ambitious(tough, severe, problematic, trying) | |
| arduous(adjective, tough, severe, problematic) | |
| backbreaker(tough, severe, problematic, trying) | |
| bothersome(tough, severe, problematic, trying) | |
| burdensome(adjective, tough, severe, problematic) | |
| challenging(tough, severe, problematic, trying) | |
| crucial(tough, severe, problematic, trying) | |
| demanding(adjective, tough, severe, problematic) | |
| difficile(tough, severe, problematic, trying) | |
| easier said than done(expression, tough, severe, problematic) | |
| effortful(tough, severe, problematic, trying) | |
| exacting(tough, severe, problematic, trying) | |
| galling(tough, severe, problematic, trying) | |
| gargantuan(tough, severe, problematic, trying) | |
| hard-won(tough, severe, problematic, trying) | |
| heavy(tough, severe, problematic, trying) | |
| herculean(tough, severe, problematic, trying) | |
| immense(tough, severe, 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> |