95 entries under solid topic. ×

1
unsupple(adjective, hard, firm, tense)
1
unyielding(adjective, hard, tough, firm)
1
vitrified(adjective, set, heavy, deep)
1
wooden(adjective, hard, firm, tense)
0
hard and fast(expression, adjective, idiom, firm)
0
hardened inflexible(expression, firm, stiff, inflexible)
0
hidebound(adjective, firm, stiff, inflexible)
0
impermeable(hard, rigid)
0
sited(adjective, firm, stiff, inflexible)
0
situate(adjective, firm, stiff, inflexible)
0
situated(adjective, firm, stiff, inflexible)
0
stable(adjective, firm, stiff, inflexible)
0
strict(adjective, firm, stiff, inflexible)
0
sturdy(hard, tough, rigid, inflexible)
0
substantial(hard, rigid)
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APASmart Define. (2015). jelled thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/jelled/thesaurus/synonyms
ChicagoSmart Define. 2015. "jelled thesaurus" https://smartdefine.org/jelled/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, jelled thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/jelled/thesaurus/synonyms>.
MLASmart Define. "jelled thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/jelled/thesaurus/synonyms>