16 entries under inflexible topic. ×

56
obdurate(adjective, resist, determined, resolute)
53
unbending(adjective, resist, determined, resolute, persistent)
39
adamant(adjective, resist, determined, resolute)
13
tenacious(adjective, strong, firm, determined, unreasonable)
4
unchangeable(adjective, steady, fixed, impassive)
3
persistent(adjective, strong, tough, firm, deliberate)
2
immutable(steady, fixed, impassive, stubborn)
2
rigorous(severe, stiff, strict, obstinate)
2
strict(adjective, severe, stiff, obstinate)
2
unalterable(severe, steady, fixed, stiff, impassive)
1
constant(adjective, secure, steady, fixed, persistent)
1
dead set on(expression, idiom, fixed, impassive)
1
hard-line(severe, determined, hostile, stiff)
1
locked in(expression, severe, fixed, stiff)
1
tough nut(expression, steady, fixed, impassive)
0
stringent(severe, stiff, strict, obstinate)
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APASmart Define. (2015). intransigent thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/intransigent/thesaurus/synonyms
ChicagoSmart Define. 2015. "intransigent thesaurus" https://smartdefine.org/intransigent/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, intransigent thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/intransigent/thesaurus/synonyms>.
MLASmart Define. "intransigent thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/intransigent/thesaurus/synonyms>