96 entries under obstinate topic. ×
| stouthearted(adjective, persistent, insistent, dogged) | |
| stringent(adjective, set, hard, stiff, rigid) | |
| sure(adjective, strong, tough, firm, solid) | |
| tight(adjective, strong, tough, firm, solid) | |
| unadaptable(adjective, set, hard, stiff, rigid) | |
| unconquerable(adjective, persistent, insistent, dogged) | |
| ungovernable(adjective, persistent, insistent, dogged) | |
| unmanageable(adjective, persistent, insistent, dogged) | |
| unregenerate(adjective, persistent, insistent, dogged) | |
| unruly(adjective, persistent, insistent, dogged) | |
| unshakable(adjective, mean, strong, hard, tough) | |
| unswayable(adjective, set, hard, stiff, rigid) | |
| wayward(adjective, persistent, insistent, dogged) | |
| wrongheaded(adjective, persistent, insistent, dogged) | |
| dyed-in-the-wool(hard, resolute, rigid, inflexible, strict) | |
| set in your ways(expression, idiom, stubborn, 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> |