65 entries under solid topic. ×

8
concentrated(verb, adjective, set, strong, hard)
6
compact(adjective, close, set, strong, hard)
5
compressed(adjective, set, firm, heavy)
5
firm(adjective, close, set, hard)
5
solidified(verb, adjective, set, firm)
5
thick(adjective, close, hard, firm)
4
close(adjective, set, hard, heavy)
4
condensed(verb, adjective, set, heavy)
4
dense(adjective, set, strong, hard, firm)
4
packed(adjective, close, set, strong, hard)
3
concrete(adjective, set, hard, firm)
2
cemented(adjective, set, firm, hardened)
2
coagulated(verb, adjective, set, heavy)
2
congealed(verb, adjective, set, firm)
2
congested(adjective, close, short, substantial)
2
cramped(adjective, compact, tight, dense)
2
crowded(adjective, close, set, heavy)
2
heavy(adjective, set, hard, deep)
2
impenetrable(adjective, close, set, firm)
2
impermeable(adjective, close, short, substantial)
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APASmart Define. (2015). consolidated thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/consolidated/thesaurus/synonyms
ChicagoSmart Define. 2015. "consolidated thesaurus" https://smartdefine.org/consolidated/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, consolidated thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/consolidated/thesaurus/synonyms>.
MLASmart Define. "consolidated thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/consolidated/thesaurus/synonyms>