- Definitions|2
- Thesaurus|1.4k
- Abbreviations|0
136 entries under tough topic. ×
| unrelenting(adjective, appearance, strong, firm) | |
| fixed(adjective, hard, rough, firm) | |
| incompliant(adjective, firm, difficult, unreasonable) | |
| balky(adjective, firm, negative, hostile) | |
| cussed(firm, persistent, obstinate, stubborn) | |
| grim(adjective, appearance, firm, cruel) | |
| inelastic(adjective, firm, fixed, distant) | |
| single-minded(adjective, firm, unreasonable, grim) | |
| adamantine(hard, firm, unreasonable, grim) | |
| bullheaded(adjective, firm, indifferent, deliberate) | |
| demanding(adjective, persistent, obstinate, problematic) | |
| exacting(adjective, persistent, obstinate, problematic) | |
| hard-line(adjective, firm, difficult, persistent) | |
| iron(adjective, firm, unreasonable, grim) | |
| opinionated(adjective, mean, firm, violent) | |
| problem(adjective, problematic, trying) | |
| unaccommodating(adjective, grim, problematic, trying) | |
| persevering(adjective, firm, unreasonable, grim) | |
| remorseless(adjective, firm, cruel, unreasonable) | |
| trying(difficulty, grim, problematic, troublesome) |
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| APA | Smart Define. (2015). intractable thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/intractable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "intractable thesaurus" https://smartdefine.org/intractable/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, intractable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/intractable/thesaurus/synonyms>. |
| MLA | Smart Define. "intractable thesaurus" 24 June 2015. Web. 27 September 2026. <https://smartdefine.org/intractable/thesaurus/synonyms> |