59 entries under firm topic. ×

1
solid(adjective, hard, stiff, tense)
1
solidified(verb, adjective, hard, solid)
1
stark(adjective, hard, solid, stiff)
1
steely(adjective, hard, solid, stiff)
1
stiff as a board(expression, adjective, idiom, hard)
1
stiffen(verb, close, set, fix)
1
stony(adjective, hard, solid, stiff)
1
thick(adjective, hard, solid, stiff)
1
thickened(adjective, hard, solid, stiff)
1
unflexible(adjective, hard, solid, stiff)
1
ungraceful(adjective, hard, solid, stiff)
1
unsupple(adjective, hard, solid, stiff)
1
unyielding(adjective, hard, solid, stiff)
1
vitrify(verb, close, set, fix)
1
wooden(adjective, hard, solid, stiff)
0
callous(verb, close, set, fix)
0
coagulate(verb, close, set, fix)
0
congeal(verb, close, set, fix)
0
unbendable(adjective, rigid, inflexible, unbending)
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APASmart Define. (2015). starched thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/starched/thesaurus/synonyms
ChicagoSmart Define. 2015. "starched thesaurus" https://smartdefine.org/starched/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, starched thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/starched/thesaurus/synonyms>.
MLASmart Define. "starched thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/starched/thesaurus/synonyms>