6
glassy
5
vitreous
4
glazed
4
ossified(adjective, set, solid, heavy, deep)
3
hardened
3
petrified
3
set(verb, adjective, close, fix, firm)
3
stiffened
2
calcified(verb, adjective, syrupy, jellied, gel)
2
callous(verb, close, set, fix, firm)
2
calloused(verb, jellied, gel, calcify, coagulate)
2
case-hardened(verb, calcify, curdled, calloused, densify)
2
curdled(verb, adjective, set, solid, heavy)
2
fossilized(verb, adjective, syrupy, jellied, gel)
2
indurate(verb, close, set, fix, firm)
2
indurated
2
reinforced
2
solidified(adjective, set, solid, heavy, deep)
2
thick(adjective, stiff, dense, syrupy, concentrated)
1
alter
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APASmart Define. (2015). vitrified thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/vitrified/thesaurus/synonyms
ChicagoSmart Define. 2015. "vitrified thesaurus" https://smartdefine.org/vitrified/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, vitrified thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/vitrified/thesaurus/synonyms>.
MLASmart Define. "vitrified thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/vitrified/thesaurus/synonyms>