61 entries under obstinate topic. ×
| headstrong(adjective, hard, tough, severe, rough) | |
| hell-bent(adjective, persistent, insistent, dogged) | |
| hidebound(adjective, persistent, insistent, dogged) | |
| indomitable(adjective, persistent, insistent, dogged) | |
| inexorable(adjective, persistent, insistent, dogged) | |
| inflexible(adjective, hard, tough, severe, rough) | |
| insubordinate(adjective, persistent, insistent, dogged) | |
| insurgent(adjective, persistent, insistent, dogged) | |
| intractable(adjective, persistent, insistent, dogged) | |
| inveterate(adjective, persistent, insistent, dogged) | |
| invincible(adjective, persistent, insistent, dogged) | |
| iron(adjective, persistent, insistent, dogged) | |
| mutinous(adjective, persistent, insistent, dogged) | |
| narrow-minded(adjective, persistent, insistent, dogged) | |
| obdurate(adjective, hard, tough, severe, rough) | |
| obsessive(adjective, persistent, insistent, dogged) | |
| persistent(adjective, insistent, dogged) | |
| recalcitrant(adjective, persistent, insistent, dogged) | |
| refractory(adjective, persistent, insistent, dogged) | |
| relentless(adjective, persistent, insistent, dogged) |
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Hard-shelled on
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| APA | Smart Define. (2011). hard-shelled thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/hard-shelled/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "hard-shelled thesaurus" https://smartdefine.org/hard-shelled/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2011, hard-shelled thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/hard-shelled/thesaurus/synonyms>. |
| MLA | Smart Define. "hard-shelled thesaurus" 24 May 2011. Web. 30 September 2026. <https://smartdefine.org/hard-shelled/thesaurus/synonyms> |