67 entries under tough topic. ×
| trying(noun, verb, adjective, meet) | |
| demanding(adjective, severe, difficult, violent) | |
| effortful(adjective, difficult, awkward, grim) | |
| exacting(adjective, severe, difficult, violent) | |
| hard(adjective, severe, difficult, violent) | |
| laborious(adjective, severe, difficult, violent) | |
| arduous(adjective, severe, difficult, violent) | |
| burdensome(adjective, difficult, awkward, grim) | |
| challenging(verb, adjective, difficult, awkward) | |
| difficult(adjective, unhappy, awkward, grim) | |
| grim(adjective, problematic, trying) | |
| grueling(adjective, difficult, awkward, grim) | |
| heavy(adjective, severe, difficult, violent) | |
| intractable(problematic, trying) | |
| onerous(adjective, difficult, awkward, grim) | |
| severe(adjective, difficult, violent, awkward) | |
| strenuous(adjective, severe, difficult, violent) | |
| taxing(adjective, severe, difficult, violent) | |
| uphill(adjective, severe, difficult, violent) | |
| ambitious(problematic, trying) |
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| APA | Smart Define. (2015). testing thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/testing/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "testing thesaurus" https://smartdefine.org/testing/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, testing thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/testing/thesaurus/synonyms>. |
| MLA | Smart Define. "testing thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/testing/thesaurus/synonyms> |