66 entries under firm topic. ×

1
inelastic(adjective, hard, tough, solid)
1
mechanical(adjective, hard, solid, tense)
1
monolithic(adjective, set, solid, hardened)
1
numbed(adjective, hard, solid, tense)
1
poured(adjective, set, solid, hardened)
1
precast(adjective, set, solid, hardened)
1
refractory(adjective, hard, tough, solid)
1
resistant(adjective, hard, solid, tense)
1
rheumatic(adjective, hard, solid, tense)
1
set in stone(expression, adjective, idiom, set)
1
starched(verb, adjective, hard, solid)
1
starchy(adjective, hard, solid, tense)
1
stark(adjective, hard, solid, tense)
1
steely(adjective, hard, solid, tense)
1
stiff as a board(expression, adjective, idiom, solid)
1
stony(adjective, hard, solid, stiff)
1
strong(adjective, set, solid, hardened)
1
taut(adjective, hard, solid, stiff)
1
tense(adjective, hard, solid, stiff)
1
tight(adjective, hard, solid, stiff)
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APASmart Define. (2015). solidified thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/solidified/thesaurus/synonyms
ChicagoSmart Define. 2015. "solidified thesaurus" https://smartdefine.org/solidified/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, solidified thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/solidified/thesaurus/synonyms>.
MLASmart Define. "solidified thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/solidified/thesaurus/synonyms>