96 entries under obstinate topic. ×
| indomitable(adjective, characteristic, strong, hard, tough) | |
| uncompliant(adjective, tough, resist, unreasonable, grim) | |
| incompliant(adjective, resist, determined, resolute, persistent) | |
| steely(adjective, dull, strong, hard, tough) | |
| tenacious(adjective, strong, tough, firm, solid) | |
| brassbound(adjective, resist, determined, resolute, persistent) | |
| die-hard(adjective, resist, determined, resolute, persistent) | |
| immovable(adjective, mean, strong, hard, tough) | |
| remorseless(adjective, resist, determined, resolute, persistent) | |
| steadfast(adjective, strong, tough, firm, determined) | |
| unbendable(adjective, resist, determined, resolute, persistent) | |
| hidebound(adjective, persistent, stubborn, unbending) | |
| resolved(adjective, determined, resolution, resolute, persistent) | |
| set(verb, adjective, strong, tough, firm) | |
| severe(adjective, persistent, insistent, dogged) | |
| stiff(adjective, firm, resolute, rigid, inflexible) | |
| fast(adjective, strong, tough, firm, solid) | |
| intractable(adjective, tough, firm, unreasonable, grim) | |
| persistent(adjective, insistent, dogged) | |
| refractory(adjective, persistent, insistent, dogged) |
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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> |