57 entries under firm topic. ×

1
ossified(adjective, hard, solid, stiff)
1
petrified(adjective, strong, hard, secure)
1
refractory(adjective, hard, rough, harsh)
1
resistant(adjective, hard, solid, stiff)
1
rheumatic(adjective, hard, solid, stiff)
1
solidified(adjective, hard, solid, stiff)
1
stark(adjective, hard, solid, stiff)
1
steely(adjective, hard, solid, stiff)
1
stiff as a board(expression, adjective, idiom, hard)
1
stony(adjective, hard, solid, stiff)
1
thick(adjective, close, hard, solid)
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
wooden(adjective, hard, solid, stiff)
0
unbendable(adjective, rigid, inflexible, unbending)
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APASmart Define. (2016). taut thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/taut/thesaurus/synonyms
ChicagoSmart Define. 2016. "taut thesaurus" https://smartdefine.org/taut/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, taut thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/taut/thesaurus/synonyms>.
MLASmart Define. "taut thesaurus" 26 February 2016. Web. 27 September 2026. <https://smartdefine.org/taut/thesaurus/synonyms>