52 entries under persistent topic. ×
| stouthearted(adjective, obstinate, insistent, dogged) | |
| tenacious(adjective, obstinate, insistent, dogged) | |
| unconquerable(adjective, obstinate, insistent, dogged) | |
| uncooperative(adjective, obstinate, insistent, dogged) | |
| unflinching(adjective, obstinate, insistent, dogged) | |
| ungovernable(adjective, obstinate, insistent, dogged) | |
| unmanageable(adjective, obstinate, insistent, dogged) | |
| unregenerate(adjective, obstinate, insistent, dogged) | |
| unruly(adjective, obstinate, insistent, dogged) | |
| wayward(adjective, obstinate, insistent, dogged) | |
| wrongheaded(adjective, obstinate, insistent, dogged) | |
| adamant(adjective, obstinate, insistent, dogged) |
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| APA | Smart Define. (2011). hard-shelled thesaurus. Retrieved September 25, 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 25, 2026). |
| Harvard | Smart Define 2011, hard-shelled thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/hard-shelled/thesaurus/synonyms>. |
| MLA | Smart Define. "hard-shelled thesaurus" 24 May 2011. Web. 25 September 2026. <https://smartdefine.org/hard-shelled/thesaurus/synonyms> |