82 entries under solid topic. ×

4
heavy(adjective, set, hard, tough)
4
rigid(adjective, set, strong, hard, tough)
3
congested(verb, adjective, full, compact)
3
inflexible(adjective, set, strong, hard, tough)
3
jam-packed(adjective, close, strong, full)
3
pressed(verb, adjective, tight, annoyed)
3
solidified(verb, adjective, set, hard, tough)
3
unyielding(adjective, set, hard, tough, firm)
2
hardened(verb, adjective, set, strong, hard)
2
impermeable(adjective, set, hard, tough, firm)
2
inelastic(adjective, hard, tough, rigid)
2
narrow(adjective, slight, fine, thin)
2
nonporous(hard, tough, rigid, inflexible)
2
set(verb, adjective, hard, tough, slight)
2
substantial(adjective, close, set, strong, hard)
2
tough(adjective, set, hard, firm)
1
caked(adjective, set, firm, heavy)
1
calcified(adjective, set, firm, hardened)
1
cemented(adjective, set, firm, hardened)
1
circumscribed(verb, adjective, slight, fine, thin)
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APASmart Define. (2016). compressed thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/compressed/thesaurus/synonyms
ChicagoSmart Define. 2016. "compressed thesaurus" https://smartdefine.org/compressed/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, compressed thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/compressed/thesaurus/synonyms>.
MLASmart Define. "compressed thesaurus" 26 February 2016. Web. 20 September 2026. <https://smartdefine.org/compressed/thesaurus/synonyms>