- Definitions|2
- Thesaurus|2k
- Abbreviations|0
| faithful(adjective, tenacious) | |
| fanatical(adjective, unreasonable, fervent, rigid, inflexible) | |
| forceful | |
| indocile(adjective, control, order, tough, resist) | |
| intolerant(adjective, severe) | |
| iron(adjective, set, mean, strong, hard) | |
| morose(adjective, mean, difficult, cross, irritable) | |
| noncooperative(adjective, sullen, unwilling) | |
| purposeful(adjective, strong, tough, firm, deliberate) | |
| stalwart(adjective, intense, deliberate, determined, resolute) | |
| unadaptable(adjective, set, hard, stiff, rigid) | |
| unchanging(moderate, firm, cautious, conventional, timid) | |
| unconquerable | |
| undaunted(adjective, tenacious) | |
| undeviating(adjective, intense, deliberate, determined, resolute) | |
| unfriendly(adjective, irritable, sullen, crabby, cranky) | |
| unmoving | |
| unreasonable(inflexible, stubborn, prejudiced, willful) | |
| unremitting | |
| acrimonious(adjective, mean, severe, cross, irritable) |
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| APA | Smart Define. (2015). obstinate thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/obstinate/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "obstinate thesaurus" https://smartdefine.org/obstinate/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, obstinate thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/obstinate/thesaurus/synonyms>. |
| MLA | Smart Define. "obstinate thesaurus" 3 August 2015. Web. 25 September 2026. <https://smartdefine.org/obstinate/thesaurus/synonyms> |