116 entries under tough topic. ×
| bothersome(severe, painful, problematic, trying) | |
| close-grained(hard, solid, rigid, inflexible) | |
| crucial(severe, painful, problematic, trying) | |
| difficile(severe, painful, problematic, trying) | |
| easier said than done(expression, severe, painful, problematic) | |
| fastidious(particular, problematic, trying, fussy) | |
| fine-grained(hard, solid, rigid, inflexible) | |
| galling(severe, painful, problematic, trying) | |
| gargantuan(severe, painful, problematic, trying) | |
| gooey(heavy, thick, dense, concentrated) | |
| hard-won(severe, painful, problematic, trying) | |
| hard as nails(expression, adjective, idiom, set, strong) | |
| immense(severe, painful, problematic, trying) | |
| irritating(severe, painful, problematic, trying) | |
| no picnic(expression, severe, painful, problematic) | |
| nonporous(hard, solid, rigid, inflexible) | |
| not easy(expression, severe, painful, problematic) | |
| operose(severe, difficult, painful, problematic) | |
| picky(severe, harsh, rigid, tight) | |
| problem(severe, painful, problematic, trying) |
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| APA | Smart Define. (2015). stiff thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/stiff/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stiff thesaurus" https://smartdefine.org/stiff/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, stiff thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/stiff/thesaurus/synonyms>. |
| MLA | Smart Define. "stiff thesaurus" 24 December 2015. Web. 28 September 2026. <https://smartdefine.org/stiff/thesaurus/synonyms> |