63 entries under firm topic. ×

3
petrified(adjective, set, hardened, syrupy)
3
thicken(verb, close, set, dry)
2
amalgamate(verb, close, set, stick)
2
congealed(adjective, set, hard, tough)
2
incompressible(adjective, density)
2
jell(verb, close, set, dry)
2
petrify(verb, close, set, solid)
1
anneal(verb, close, set, dry)
1
bake(verb, close, set, dry)
1
brace(verb, close, set, dry)
1
buttress(verb, close, set, dry)
1
caked(verb, adjective, set, solid)
1
calcified(verb, adjective, set, stiff)
1
calcify(verb, close, set, dry)
1
caseharden(verb, close, set, dry)
1
cemented(adjective, set, hardened, flagged)
1
conglomerated(adjective, set, stiff, hardened)
1
contract(verb, close, set, dry)
1
densify(verb, close, set, dry)
1
dried(adjective, set, hardened)
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APASmart Define. (2016). concrete thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/concrete/thesaurus/synonyms
ChicagoSmart Define. 2016. "concrete thesaurus" https://smartdefine.org/concrete/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, concrete thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/concrete/thesaurus/synonyms>.
MLASmart Define. "concrete thesaurus" 31 March 2016. Web. 27 September 2026. <https://smartdefine.org/concrete/thesaurus/synonyms>