45 entries under firm topic. ×

2
stony(adjective, set, strong, hard)
2
tough(adjective, set, hard, solid)
1
caked(adjective, set, solid, heavy)
1
calcified(adjective, set, solid, hardened)
1
callous(adjective, set, strong, hard)
1
cemented(adjective, set, solid, hardened)
1
close-grained(adjective, set, hard, tough)
1
congealed(adjective, set, hard, tough)
1
conglomerated(verb, adjective, set, solid)
1
dried(adjective, set, solid, hardened)
1
indurate(adjective, set, strong, hard)
1
monolithic(adjective, set, solid, hardened)
1
petrified(adjective, set, solid, hardened)
1
poured(adjective, set, solid, hardened)
1
precast(adjective, set, solid, hardened)
1
set in stone(expression, adjective, idiom, set)
1
steeled(adjective, set, solid, hardened)
1
strong(adjective, close, set, hard)
0
adamantine(adjective, set, strong, hard)
0
durable(adjective, stiff, rigid)
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APASmart Define. (2016). compressed thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/compressed/thesaurus/synonyms
ChicagoSmart Define. 2016. "compressed thesaurus" https://smartdefine.org/compressed/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, compressed thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/compressed/thesaurus/synonyms>.
MLASmart Define. "compressed thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/compressed/thesaurus/synonyms>