95 entries under solid topic. ×

1
opaque(adjective, set, heavy, deep)
1
petrified(adjective, hard, firm, tense)
1
placed(verb, adjective, firm, stiff)
1
positioned(verb, adjective, firm, stiff)
1
refractory(adjective, hard, tough, firm)
1
resistant(adjective, hard, firm, tense)
1
rheumatic(adjective, hard, firm, tense)
1
rigid(adjective, hard, tough, firm)
1
starched(adjective, hard, firm, stiff)
1
stark(adjective, hard, firm, tense)
1
steely(adjective, hard, firm, tense)
1
stiff as a board(expression, adjective, idiom, firm)
1
stony(adjective, hard, firm, stiff)
1
taut(adjective, hard, firm, stiff)
1
tense(adjective, hard, firm, stiff)
1
tight(adjective, hard, firm, stiff)
1
turbid(adjective, set, heavy, deep)
1
unbending(adjective, hard, firm, stiff)
1
unflexible(adjective, hard, firm, tense)
1
ungraceful(adjective, hard, firm, tense)
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APASmart Define. (2015). jelled thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/jelled/thesaurus/synonyms
ChicagoSmart Define. 2015. "jelled thesaurus" https://smartdefine.org/jelled/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, jelled thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/jelled/thesaurus/synonyms>.
MLASmart Define. "jelled thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/jelled/thesaurus/synonyms>