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

104 entries under firm topic. ×

1
steady(adjective, calm, strong, secure)
1
stiff-necked(adjective, determined, usual, regular)
1
stipulated(adjective, determined, usual, regular)
1
strong(adjective, calm, great, sound, fit)
1
sturdy(adjective, calm, strong, secure)
1
substantial(adjective, calm, strong, secure)
1
sure(adjective, calm, strong, secure)
1
unchangeable(adjective, calm, strong, secure)
1
unflappable(adjective, determined, usual, regular)
1
unfluctuating(adjective, calm, strong, secure)
1
uniform(adjective, calm, strong, secure)
1
unvarying(adjective, calm, strong, secure)
1
unwavering(adjective, calm, strong, secure)
1
usual(adjective, determined, regular, planned)
1
well-set(adjective, determined, usual, regular)
0
allegiant(adjective, solid, stable, fixed)
0
ardent(adjective, solid, stable, fixed)
0
changeless(adjective, solid, stable, fixed)
0
cool(adjective, solid, stable, fixed)
0
dependable(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>