101 entries under obstinate topic. ×
| unremitting(adjective, strong, continue, firm, determined) | |
| tireless(adjective, strong, firm, energetic, determined) | |
| unflagging(adjective, strong, firm, certain, determined) | |
| unrelenting(adjective, tough, firm, certain, determined) | |
| incessant(adjective, strong, continue, firm, determined) | |
| staunch(adjective, strong, tough, flat, firm) | |
| fixed(adjective, strong, tough, flat, firm) | |
| resolved(adjective, strong, flat, firm, certain) | |
| endless(adjective, continue, certain, determined, steady) | |
| interminable(adjective, continue, determined, steady, constant) | |
| untiring(adjective, quiet, understanding, gentle, determined) | |
| immovable(adjective, determined, stable, fixed, resolute) | |
| unswerving(adjective, strong, tough, firm, determined) | |
| inflexible(adjective, strong, tough, flat, firm) | |
| obdurate(adjective, strong, tough, flat, firm) | |
| inveterate(adjective, usual, established, insistent) | |
| persisting(adjective, strong, tough, firm, determined) | |
| single-minded(adjective, tough, intense, deliberate, determined) | |
| set(adjective, strong, tough, flat, firm) | |
| indomitable(adjective, strong, firm, determined, steady) |
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| APA | Smart Define. (2015). persistent thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/persistent/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "persistent thesaurus" https://smartdefine.org/persistent/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, persistent thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/persistent/thesaurus/synonyms>. |
| MLA | Smart Define. "persistent thesaurus" 1 June 2015. Web. 22 September 2026. <https://smartdefine.org/persistent/thesaurus/synonyms> |