18 entries under syrupy topic. ×

4
stiff(adjective, hard, tough, firm, rigid)
2
arthritic(adjective, hard, firm, solid, stiff)
2
buckram(adjective, hard, firm, solid, stiff)
2
creaky(adjective, hard, firm, solid, stiff)
2
steely(adjective, hard, firm, solid, stiff)
2
stiff as a board(expression, idiom, firm, solid, stiff)
2
unsupple(adjective, hard, firm, solid, stiff)
1
firm(adjective, hard, tough, solid, rigid)
1
immalleable(adjective, hard, firm, solid, stiff)
1
impliable(adjective, hard, firm, solid, stiff)
1
jelled(adjective, hard, firm, solid, tense)
1
petrified(adjective, hard, firm, solid, tense)
1
rheumatic(adjective, hard, firm, solid, stiff)
1
set(adjective, hard, firm, solid, stiff)
1
set in stone(expression, adjective, idiom, tough, firm)
1
solidified(adjective, hard, firm, solid, tense)
1
starched(adjective, hard, firm, solid, stiff)
1
thick(adjective, hard, firm, solid, stiff)
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APASmart Define. (2015). unflexible thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unflexible/thesaurus/synonyms
ChicagoSmart Define. 2015. "unflexible thesaurus" https://smartdefine.org/unflexible/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unflexible thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unflexible/thesaurus/synonyms>.
MLASmart Define. "unflexible thesaurus" 9 December 2015. Web. 29 September 2026. <https://smartdefine.org/unflexible/thesaurus/synonyms>