Synonyms|219Antonyms|0|Broader|0Narrower|0Related|0

104 entries under firm topic. ×

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imperturbable(adjective, solid, stable, fixed)
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intense(adjective, solid, stable, fixed)
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levelheaded(adjective, solid, stable, fixed)
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liege(adjective, solid, stable, fixed)
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loyal(adjective, solid, stable, fixed)
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never-failing(adjective, solid, substantial, stable)
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patterned(adjective, solid, substantial, stable)
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reserved(adjective, solid, stable, fixed)
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sedate(adjective, solid, stable, fixed)
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self-possessed(adjective, solid, stable, fixed)
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sensible(adjective, solid, stable, fixed)
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serene(adjective, solid, stable, fixed)
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serious-minded(adjective, solid, stable, fixed)
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single-minded(adjective, solid, stable, fixed)
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sober(adjective, solid, stable, fixed)
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staid(adjective, solid, stable, fixed)
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steady-going(adjective, solid, substantial, stable)
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unchanging(adjective, solid, steady, substantial)
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unfaltering(adjective, solid, stable, fixed)
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unqualified(adjective, solid, stable, fixed)
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APASmart Define. (2011). solid as a rock thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/solid_as_a_rock/thesaurus/synonyms
ChicagoSmart Define. 2011. "solid as a rock thesaurus" https://smartdefine.org/solid_as_a_rock/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2011, solid as a rock thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/solid_as_a_rock/thesaurus/synonyms>.
MLASmart Define. "solid as a rock thesaurus" 24 May 2011. Web. 29 September 2026. <https://smartdefine.org/solid_as_a_rock/thesaurus/synonyms>