- Definitions|1
- Thesaurus|748
- Abbreviations|0
32 entries under solid topic. ×
| fibrous(adjective, strong, hard, stiff) | |
| fit(adjective, strong, hard, stiff) | |
| hard-bitten(adjective, strong, hard, stiff) | |
| hardened(adjective, strong, hard, firm) | |
| hardy(adjective, strong, hard, stiff) | |
| healthy(adjective, strong, hard, stiff) | |
| indigestible(adjective, strong, hard, stiff) | |
| leathery(adjective, strong, hard, stiff) | |
| lusty(adjective, strong, hard, stiff) | |
| seasoned(adjective, strong, hard, stiff) | |
| steeled(adjective, strong, hard, stiff) | |
| withstanding(adjective, strong, hard, stiff) |
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| APA | Smart Define. (2016). unbreakable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unbreakable/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "unbreakable thesaurus" https://smartdefine.org/unbreakable/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, unbreakable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unbreakable/thesaurus/synonyms>. |
| MLA | Smart Define. "unbreakable thesaurus" 5 January 2016. Web. 23 September 2026. <https://smartdefine.org/unbreakable/thesaurus/synonyms> |