121 entries under solid topic. ×

9
definite(adjective, hard, correct, severe, rough)
9
punctilious(adjective, close, hard, tough, correct)
9
taut(adjective, hard, firm, stiff)
8
stony(adjective, set, hard, firm)
6
buckram(adjective, hard, firm, stiff)
6
correct(adjective, hard, severe, rough, difficult)
6
dense(adjective, set, strong, hard, tough)
6
frozen(adjective, hard, firm, fixed)
6
proper(adjective, hard, correct, severe, rough)
6
stark(adjective, hard, severe, firm)
6
unbreakable(adjective, strong, hard, severe, firm)
6
wooden(adjective, hard, correct, firm)
5
faithful(adjective, correct, intense, exact)
5
hardened(adjective, strong, hard, tough, firm)
5
particular(adjective, correct, exact, proper)
5
regular(adjective, correct, exact, proper)
5
sharp(adjective, hard, correct, severe, rough)
5
starchy(adjective, hard, firm, stiff)
5
sturdy(adjective, close, set, strong, hard)
4
compact(adjective, close, set, strong, hard)
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APASmart Define. (2015). rigid thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/rigid/thesaurus/synonyms
ChicagoSmart Define. 2015. "rigid thesaurus" https://smartdefine.org/rigid/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, rigid thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/rigid/thesaurus/synonyms>.
MLASmart Define. "rigid thesaurus" 3 August 2015. Web. 21 September 2026. <https://smartdefine.org/rigid/thesaurus/synonyms>