- Definitions|2
- Thesaurus|1.4k
- Abbreviations|0
76 entries under firm topic. ×
| hard-core(determined, resolute, impulsive, stubborn) | |
| hard-nosed(sharp, determined, practical, impulsive) | |
| hard as nails(expression, adjective, idiom, tough) | |
| hardheaded(adjective, strong, tough, cold) | |
| hold the fort(expression, adjective, idiom, tough) | |
| hold the line(expression, adjective, idiom, tough) | |
| locked in(expression, adjective, tough, difficult) | |
| mule(tough, determined, unreasonable, grim) | |
| ornery(tough, negative, hostile, stubborn) | |
| reserved(adjective, tough, fixed, distant) | |
| set in stone(expression, adjective, idiom, tough) | |
| standing pat(expression, adjective, tough, distant) | |
| unreasonable(tough, grim, inflexible, obstinate) | |
| unshakable(adjective, tough, unreasonable, grim) | |
| unswayable(adjective, set, tough, distant) | |
| uptight(adjective, tough, fixed, distant) |
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| APA | Smart Define. (2015). intractable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/intractable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "intractable thesaurus" https://smartdefine.org/intractable/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, intractable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/intractable/thesaurus/synonyms>. |
| MLA | Smart Define. "intractable thesaurus" 24 June 2015. Web. 25 September 2026. <https://smartdefine.org/intractable/thesaurus/synonyms> |