75 entries under dense topic. ×

1
congealed(adjective, set, hard, tough, solid)
1
consolidated(adjective, set, solid, heavy, deep)
1
crowded(adjective, set, solid, heavy, deep)
1
curdled(adjective, set, solid, heavy, deep)
1
deep(adjective, set, solid, heavy, stiff)
1
fixed(adjective, set, strong, tough, solid)
1
gelatinous(adjective, set, solid, heavy, deep)
1
gloppy(adjective, set, solid, heavy, deep)
1
gooey(heavy, concentrated)
1
gummous(adjective, set, solid, heavy, deep)
1
gunky(adjective, set, solid, heavy, deep)
1
heavy(adjective, set, hard, tough, solid)
1
jelled(adjective, set, hard, tough, solid)
1
jellied(adjective, set, solid, heavy, deep)
1
opaque(adjective, set, solid, heavy, deep)
1
ossified(adjective, set, solid, heavy, deep)
1
ropy(heavy, concentrated)
1
set(adjective, hard, tough, solid, heavy)
1
sloppy(heavy, concentrated)
1
solid(adjective, set, hard, tough, heavy)
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APASmart Define. (2015). impervious thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/impervious/thesaurus/synonyms
ChicagoSmart Define. 2015. "impervious thesaurus" https://smartdefine.org/impervious/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, impervious thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/impervious/thesaurus/synonyms>.
MLASmart Define. "impervious thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/impervious/thesaurus/synonyms>