150 entries under inflexible topic. ×

1
brittle(adjective, hard, firm, solid, stiff)
1
buckram(adjective, hard, firm, solid, stiff)
1
bullheaded(tough, severe, firm, stiff)
1
cantankerous(tough, firm, determined, unreasonable)
1
chilled(adjective, hard, firm, solid, stiff)
1
creaky(adjective, hard, firm, solid, stiff)
1
cussed(tough, firm, unreasonable, obstinate)
1
graceless(adjective, hard, firm, solid, stiff)
1
hard-and-fast(adjective, set, hard, certain, stiff)
1
hooked(verb, adjective, secure, rigid)
1
immalleable(adjective, hard, firm, solid, stiff)
1
impliable(adjective, hard, firm, solid, stiff)
1
indurate(adjective, mean, hard, firm, solid)
1
insubordinate(tough, firm, unreasonable, obstinate)
1
locked in(expression, adjective, secure, severe, determined)
1
mean(adjective, hard, tough, harsh)
1
mechanical(adjective, hard, firm, solid, ordinary)
1
numbed(verb, adjective, hard, firm, solid)
1
opinionated(tough, firm, determined, unreasonable)
1
ornery(tough, firm, unreasonable, obstinate)
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APASmart Define. (2016). fixed thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/fixed/thesaurus/synonyms
ChicagoSmart Define. 2016. "fixed thesaurus" https://smartdefine.org/fixed/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, fixed thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/fixed/thesaurus/synonyms>.
MLASmart Define. "fixed thesaurus" 16 March 2016. Web. 27 September 2026. <https://smartdefine.org/fixed/thesaurus/synonyms>