Synonyms|578Antonyms|103|Broader|5Narrower|10Related|232

53 entries under solid topic. ×

1
coagulated(adjective, set, heavy, deep)
1
compressed(adjective, set, hard, tough)
1
concentrated(adjective, set, hard, tough)
1
concrete(adjective, set, hard, tough)
1
condensed(adjective, set, hard, tough)
1
congealed(adjective, set, hard, tough)
1
consolidated(adjective, set, heavy, deep)
1
crowded(adjective, set, heavy, deep)
1
curdled(adjective, set, heavy, deep)
1
deep(adjective, set, heavy, stiff)
1
fixed(adjective, set, strong, tough)
1
gelatinous(adjective, set, heavy, deep)
1
gloppy(adjective, set, heavy, deep)
1
gummous(adjective, set, heavy, deep)
1
gunky(adjective, set, heavy, deep)
1
heavy(adjective, set, hard, tough)
1
jelled(adjective, set, hard, tough)
1
jellied(adjective, set, heavy, deep)
1
nonporous(hard, tough, rigid, inflexible)
1
opaque(adjective, set, heavy, deep)
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ChicagoSmart Define. 2015. "impervious thesaurus" https://smartdefine.org/impervious/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, impervious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/impervious/thesaurus/synonyms>.
MLASmart Define. "impervious thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/impervious/thesaurus/synonyms>