- Definitions|1
- Thesaurus|748
- Abbreviations|0
35 entries under firm topic. ×
| set(adjective, severe, harsh, solid) | |
| callous(adjective, stiff, rigid) | |
| compact(adjective, stiff, rigid) | |
| compacted(adjective, stiff, rigid) | |
| compressed(adjective, stiff, rigid) | |
| concentrated(adjective, stiff, rigid) | |
| consolidated(adjective, stiff, rigid) | |
| dense(adjective, strong, hard, solid) | |
| hardened(adjective, strong, hard, solid) | |
| indurate(adjective, stiff, rigid) | |
| indurated(adjective, stiff, rigid) | |
| iron(adjective, stiff, rigid) | |
| packed(adjective, stiff, rigid) | |
| rocklike(adjective, stiff, rigid) | |
| thick(adjective, stiff, rigid) |
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| APA | Smart Define. (2016). unbreakable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unbreakable/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "unbreakable thesaurus" https://smartdefine.org/unbreakable/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, unbreakable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unbreakable/thesaurus/synonyms>. |
| MLA | Smart Define. "unbreakable thesaurus" 5 January 2016. Web. 26 September 2026. <https://smartdefine.org/unbreakable/thesaurus/synonyms> |