41 entries under inflexible topic. ×

44
firm(noun, adjective, mean, strong, hard)
43
stubborn(adjective, characteristic, quality, mean, strong)
32
immovable(adjective, mean, strong, hard, secure)
31
rigid(adjective, mean, hard, determined, unreasonable)
29
inexorable(adjective, mean, hard, tough, determined)
28
fixed(adjective, mean, strong, hard, complete)
25
unyielding(adjective, mean, strong, hard, secure)
23
unbending(adjective, mean, strong, hard, tough)
22
relentless(adjective, mean, strong, hard, tough)
17
obstinate(adjective, mean, strong, hard, tough)
15
adamant(adjective, mean, strong, hard, secure)
7
constant(adjective, firm, certain, steady, definite)
7
dogged(adjective, mean, strong, hard, tough)
5
mulish(adjective, mean, strong, hard, tough)
4
tough(adjective, mean, strong, hard, firm)
3
immobile(adjective, strong, secure, steady, substantial)
2
balky(tough, firm, unreasonable, grim)
2
refractory(adjective, tough, firm, unreasonable, grim)
1
cantankerous(tough, firm, unreasonable, grim)
1
contumacious(tough, firm, unreasonable, grim)
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APASmart Define. (2015). unshakable thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unshakable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unshakable thesaurus" https://smartdefine.org/unshakable/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unshakable thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unshakable/thesaurus/synonyms>.
MLASmart Define. "unshakable thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/unshakable/thesaurus/synonyms>