Synonyms|532Antonyms|140|Broader|7Narrower|0Related|215

71 entries under solid topic. ×

0
sturdy(adjective, firm, stable, fixed)
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sure(adjective, firm, certain, stable)
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unchangeable(adjective, firm, stable, fixed)
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unchanging(adjective, calm, smooth, firm)
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unfaltering(adjective, firm, stable, fixed)
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uniform(adjective, calm, smooth, firm)
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unqualified(adjective, firm, stable, fixed)
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unquestioning(adjective, firm, stable, fixed)
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unswerving(adjective, firm, sensible, steady)
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unvarying(adjective, calm, smooth, firm)
0
wholehearted(adjective, firm, sensible, steady)
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APASmart Define. (2015). imperturbable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/imperturbable/thesaurus/synonyms
ChicagoSmart Define. 2015. "imperturbable thesaurus" https://smartdefine.org/imperturbable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, imperturbable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/imperturbable/thesaurus/synonyms>.
MLASmart Define. "imperturbable thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/imperturbable/thesaurus/synonyms>