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

100 entries under definite topic. ×

4
settled(adjective, strong, flat, firm, solid)
4
unmovable(adjective, certain, limited, fixed)
3
bound(strong, certain, certainty, unquestionable)
3
strict(adjective, strong, hard, certain)
3
true(adjective, strong, certain, resolute)
2
confirmed(adjective, complete, certain, true, limited)
2
exact(adjective, strong, certain, rigid)
2
incontestable(adjective, clear, certain, unquestionable)
2
indisputable(clear, certain, unquestionable, undisputable)
2
inveterate(adjective, certain, limited, inflexible)
2
limited(adjective, certain, inflexible, restricted)
2
restricted(adjective, certain, limited, inflexible)
2
rooted(adjective, secure, certain, steady, limited)
2
unfailing(set, clear, certain, regular)
2
unfaltering(adjective, clear, firm, solid, certain)
2
unshaken(adjective, set, clear, strong, flat)
1
agreed(adjective, certain, limited, inflexible)
1
arranged(adjective, certain, limited, inflexible)
1
circumscribed(adjective, certain, limited, inflexible)
1
dead set on(expression, idiom, strong, certain)
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ChicagoSmart Define. 2015. "unchangeable thesaurus" https://smartdefine.org/unchangeable/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unchangeable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unchangeable/thesaurus/synonyms>.
MLASmart Define. "unchangeable thesaurus" 3 August 2015. Web. 27 September 2026. <https://smartdefine.org/unchangeable/thesaurus/synonyms>