- Definitions|1
- Thesaurus|894
- Abbreviations|0
71 entries under solid topic. ×
| levelheaded(adjective, calm, quiet, cool, moderate) | |
| enduring(adjective, calm, quiet, cool, gentle) | |
| reliable(adjective, firm, sensible, steady) | |
| sensible(adjective, calm, firm, relaxed) | |
| sound(adjective, calm, firm, sensible) | |
| unshaken(adjective, firm, stable, fixed) | |
| firm(adjective, stable, fixed, sturdy) | |
| self-assured(adjective, calm, relaxed, certain) | |
| steadfast(adjective, firm, sensible, steady) | |
| unwavering(adjective, firm, sensible, steady) | |
| fast(adjective, firm, sensible, steady) | |
| substantial(adjective, firm, stable, fixed) | |
| constant(adjective, calm, smooth, firm, sensible) | |
| stabile(adjective, calm, smooth, firm) | |
| unfluctuating(adjective, calm, smooth, firm) | |
| abiding(adjective, firm, stable, fixed) | |
| allegiant(adjective, firm, sensible, steady) | |
| ardent(adjective, firm, sensible, steady) | |
| brick-wall(adjective, firm, stable, fixed) | |
| certain(adjective, firm, stable, fixed) |
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| APA | Smart Define. (2015). imperturbable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/imperturbable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "imperturbable thesaurus" https://smartdefine.org/imperturbable/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, imperturbable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/imperturbable/thesaurus/synonyms>. |
| MLA | Smart Define. "imperturbable thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/imperturbable/thesaurus/synonyms> |