158 entries under inflexible topic. ×

19
hard(adjective, mean, strong, tough, severe)
18
tough(adjective, mean, clear, strong, hard)
17
unwavering(adjective, strong, flat, firm, certain)
14
dogged(adjective, mean, hard, tough, firm)
14
inelastic(adjective, firm, determined, stiff, resolute)
12
intractable(adjective, hard, tough, rough, firm)
12
iron(adjective, mean, strong, hard, tough)
12
steely(adjective, strong, hard, tough, firm)
10
incompliant(adjective, firm, resist, determined, resolute)
10
resolved(adjective, strong, severe, flat, firm)
10
stiff-necked(adjective, mean, strong, hard, tough)
10
strict(adjective, strong, hard, tough, severe)
9
steady(adjective, strong, flat, firm, certain)
8
unchangeable(adjective, strong, flat, certain, determined)
8
unflinching(adjective, strong, flat, firm, harsh)
7
headstrong(adjective, hard, tough, rough, harsh)
7
mulish(adjective, mean, strong, hard, tough)
7
perverse(adjective, mean, hard, tough, determined)
6
hardheaded(adjective, strong, hard, tough, determined)
6
hidebound(adjective, close, severe, firm, determined)
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APASmart Define. (2016). unbending thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unbending/thesaurus/synonyms
ChicagoSmart Define. 2016. "unbending thesaurus" https://smartdefine.org/unbending/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, unbending thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unbending/thesaurus/synonyms>.
MLASmart Define. "unbending thesaurus" 24 March 2016. Web. 30 September 2026. <https://smartdefine.org/unbending/thesaurus/synonyms>