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164 entries under adjective topic. ×

1
prearranged(firm, determined, usual, regular)
1
predetermined(firm, determined, usual, regular)
1
prescribed(firm, determined, usual, regular)
1
regular(firm, solid, determined, usual)
1
reliable(calm, strong, secure, firm)
1
resolute(calm, strong, secure, firm)
1
resolved(firm, determined, usual, regular)
1
right as rain(expression, idiom, great, right)
1
rigid(firm, determined, usual, regular)
1
rooted(firm, determined, usual, regular)
1
safe(calm, strong, secure, firm)
1
safe and sound(expression, idiom, strong, solid)
1
scheduled(firm, determined, usual, regular)
1
secure(calm, strong, firm, solid)
1
set(calm, strong, secure, firm)
1
set in stone(expression, idiom, calm, strong)
1
settled(firm, solid, determined, usual)
1
solid(calm, strong, firm, fast)
1
sound(calm, strong, secure, fit)
1
specified(firm, determined, usual, regular)
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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>