92 entries under unbending topic. ×

10
stringent(adjective, hard, severe, rough, difficult)
8
single-minded(adjective, tough, firm, harsh, cruel)
7
indomitable(adjective, set, strong, hard, tough)
7
resistant(adjective, hard, firm, determined, resolute)
7
tight(adjective, close, strong, hard, tough)
7
unadaptable(adjective, set, hard, stiff, rigid)
6
indurate(adjective, mean, hard, firm, determined)
4
frozen(adjective, hard, firm, solid, stiff)
4
hard and fast(expression, adjective, idiom, set, strict)
4
ossified(adjective, firm, solid, determined, normal)
4
taut(adjective, hard, rough, firm, harsh)
3
hard-and-fast(adjective, hard, strict, obstinate, stubborn)
3
impliable(adjective, hard, firm, solid, stiff)
3
starched(adjective, hard, firm, solid, stiff)
3
stark(adjective, hard, severe, firm, solid)
3
tense(adjective, hard, firm, solid, stiff)
2
brittle(adjective, hard, firm, solid, stiff)
2
solidified(adjective, hard, tough, firm, solid)
2
stable(adjective, strong, secure, moderate, flat)
2
unflexible(adjective, hard, tough, firm, solid)
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APASmart Define. (2016). inflexible thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/inflexible/thesaurus/synonyms
ChicagoSmart Define. 2016. "inflexible thesaurus" https://smartdefine.org/inflexible/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, inflexible thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/inflexible/thesaurus/synonyms>.
MLASmart Define. "inflexible thesaurus" 24 March 2016. Web. 1 October 2026. <https://smartdefine.org/inflexible/thesaurus/synonyms>