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164 entries under adjective topic. ×

1
hanging tough(expression, firm, determined, usual)
1
husky(strong, great, right, healthy)
1
immovable(strong, firm, solid, usual)
1
immutable(calm, strong, solid, steady)
1
in good health(expression, idiom, strong, great)
1
intent(firm, determined, usual, regular)
1
invariable(calm, strong, solid, steady)
1
inveterate(firm, determined, usual, regular)
1
iron(strong, solid, stable, sure)
1
ironclad(firm, determined, usual, regular)
1
lasting(calm, strong, solid, steady)
1
locked(strong, solid, stable, sure)
1
locked in(expression, firm, determined, usual)
1
nailed(calm, strong, secure, firm)
1
obstinate(firm, determined, usual, regular)
1
pat(firm, determined, usual, regular)
1
perdurable(calm, strong, solid, steady)
1
permanent(calm, strong, solid, steady)
1
pigheaded(firm, determined, usual, regular)
1
poised(calm, strong, secure, firm)
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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>