- Definitions|1
- Thesaurus|270
- Abbreviations|0
23 entries under confirmed topic. ×
| ineradicable(adjective, continue) | |
| inveterate(adjective, continue, persistent, obstinate, insistent) | |
| irradicable(adjective, continue) | |
| set(adjective, continue, persistent, obstinate, insistent) | |
| deep-rooted(adjective, continue) | |
| entrenched(adjective, continue) | |
| ingrained(adjective, continue) | |
| settled(adjective, continue) | |
| accepted | |
| accustomed | |
| chronic | |
| deep-seated(adjective, continue) | |
| dyed-in-the-wool(adjective, set, strong, hard, tough) | |
| fixed | |
| proved | |
| seasoned | |
| staid | |
| firmly established | |
| habituated | |
| hardened |
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| APA | Smart Define. (2013). hard-shell thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/hard-shell/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "hard-shell thesaurus" https://smartdefine.org/hard-shell/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2013, hard-shell thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/hard-shell/thesaurus/synonyms>. |
| MLA | Smart Define. "hard-shell thesaurus" 17 June 2013. Web. 21 September 2026. <https://smartdefine.org/hard-shell/thesaurus/synonyms> |