69 entries under stubborn topic. ×
| tight(adjective, strong, tough, firm, solid) | |
| tough nut to crack(expression, adjective, idiom, mean, hard) | |
| unadaptable(adjective, set, hard, stiff, rigid) | |
| uncompassionate(adjective, mean, hard, tough, harsh) | |
| unimpressible(adjective, mean, hard, tough, harsh) | |
| unshakable(adjective, mean, strong, hard, tough) | |
| unswayable(adjective, set, hard, stiff, rigid) | |
| unsympathetic(adjective, mean, hard, tough, harsh) | |
| set in your ways(expression, idiom, obstinate, unbending) |
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| APA | Smart Define. (2015). iron thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/iron/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "iron thesaurus" https://smartdefine.org/iron/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, iron thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/iron/thesaurus/synonyms>. |
| MLA | Smart Define. "iron thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/iron/thesaurus/synonyms> |