90 entries under rigid topic. ×

5
consolidated(adjective, close, hard, firm, solid)
5
impermeable(adjective, close, set, hard, tough)
5
jelled(adjective, set, hard, tough, firm)
5
nonporous(hard, solid, syrupy, jellied)
5
tough(adjective, person, set, body, strong)
4
fixed(adjective, strong, hard, firm, solid)
4
impervious(adjective, hard, solid, dense)
3
compacted(adjective, strong, hard, firm, solid)
3
solidified(adjective, set, hard, tough, firm)
3
wooden(adjective, hard, firm, solid, stiff)
2
starchy(adjective, hard, firm, solid, stiff)
2
sturdy(adjective, person, close, set, body)
2
tense(adjective, close, hard, firm, solid)
2
ungraceful(adjective, hard, firm, solid, stiff)
2
unyielding(adjective, strong, hard, tough, firm)
1
adamantine(adjective, strong, hard, tough, firm)
1
annealed(adjective, hard, firm, solid, stiff)
1
arthritic(adjective, hard, firm, solid, stiff)
1
benumbed(adjective, hard, firm, solid, stiff)
1
brittle(adjective, hard, firm, solid, stiff)
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APASmart Define. (2016). thick thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/thick/thesaurus/synonyms
ChicagoSmart Define. 2016. "thick thesaurus" https://smartdefine.org/thick/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, thick thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/thick/thesaurus/synonyms>.
MLASmart Define. "thick thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/thick/thesaurus/synonyms>