Synonyms|541Antonyms|146|Broader|5Narrower|8Related|402

61 entries under inflexible topic. ×

5
implacable(adjective, hard, resolute, rigid)
5
level(adjective, certain, limited, definite)
5
obdurate(adjective, strong, hard, definite)
5
rigorous(adjective, hard, resolute, rigid)
5
unflinching(adjective, strong, flat, certain, determined)
5
unqualified(adjective, strong, flat, firm, solid)
4
certain(adjective, clear, firm, solid, determined)
4
determinate(adjective, certain, limited, definite)
4
indomitable(adjective, hard, resolute, rigid)
4
intent(adjective, strong, flat, certain, determined)
4
intransigent(adjective, steady, fixed, impassive)
4
relentless(adjective, hard, resolute, rigid)
4
unmovable(adjective, certain, limited, definite, fixed)
3
unrelenting(adjective, hard, resolute, rigid)
2
adamantine(hard, resolute, rigid, strict)
2
cast-iron(intent, hard-and-fast)
2
confirmed(adjective, complete, certain, true, limited)
2
dyed-in-the-wool(adjective, hard, resolute, rigid)
2
hard-and-fast(adjective, set, hard, certain, stiff)
2
inveterate(adjective, certain, limited, definite)
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APASmart Define. (2015). unchangeable thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unchangeable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unchangeable thesaurus" https://smartdefine.org/unchangeable/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unchangeable thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unchangeable/thesaurus/synonyms>.
MLASmart Define. "unchangeable thesaurus" 3 August 2015. Web. 29 September 2026. <https://smartdefine.org/unchangeable/thesaurus/synonyms>