67 entries under density topic. ×

33
solid(adjective, set, hard, tough, correct)
19
hard(adjective, clear, strong, tough, solid)
18
substantial(adjective, body, hard, tough, solid)
13
set(verb, adjective, close, strong, hard)
11
dense(adjective, set, hard, tough, solid)
10
compact(verb, adjective, close, set, hard)
6
congeal(verb, close, set, firm, solid)
6
solidify(verb, close, set, firm, solid)
6
thick(adjective, set, strong, hard, tough)
5
bone
5
cake(verb, close, set, firm, solid)
5
close(verb, adjective, set, hard, tough)
5
clot(noun, verb, close, set, firm)
5
coagulate(verb, close, set, firm, dry)
5
harden(verb, close, set, firm, solid)
5
stone(hardness, materials)
4
block
4
conglomerate
4
curdle(noun, verb, close, set, firm)
4
impenetrable(adjective, set, hard, tough, solid)
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APASmart Define. (2016). concrete thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/concrete/thesaurus/synonyms
ChicagoSmart Define. 2016. "concrete thesaurus" https://smartdefine.org/concrete/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, concrete thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/concrete/thesaurus/synonyms>.
MLASmart Define. "concrete thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/concrete/thesaurus/synonyms>