- Definitions|2
- Thesaurus|1.4k
- Abbreviations|0
76 entries under firm topic. ×
| hard(adjective, tough, sharp, fixed) | |
| intransigent(adjective, tough, difficult, determined) | |
| self-willed(adjective, tough, difficult, determined) | |
| tough(adjective, hard, rough, difficult) | |
| implacable(adjective, hard, tough, cruel) | |
| willful(adjective, tough, difficult, violent) | |
| pertinacious(adjective, strong, tough, difficult) | |
| stiff(adjective, hard, tough, rough) | |
| inexorable(adjective, appearance, tough, violent) | |
| resolute(adjective, appearance, hard, tough, rough) | |
| untoward(adjective, control, order, tough) | |
| cantankerous(adjective, tough, difficult, persistent) | |
| persistent(adjective, tough, determined, obstinate) | |
| relentless(adjective, appearance, strong, tough) | |
| stiff-necked(adjective, tough, stupid, unreasonable) | |
| tenacious(adjective, tough, difficult, persistent) | |
| uncompliant(adjective, tough, unreasonable, irritable) | |
| unrelenting(adjective, appearance, strong, tough) | |
| fixed(adjective, hard, tough, rough) | |
| incompliant(adjective, tough, difficult, unreasonable) |
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| APA | Smart Define. (2015). intractable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/intractable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "intractable thesaurus" https://smartdefine.org/intractable/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, intractable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/intractable/thesaurus/synonyms>. |
| MLA | Smart Define. "intractable thesaurus" 24 June 2015. Web. 24 September 2026. <https://smartdefine.org/intractable/thesaurus/synonyms> |