Synonyms|118Antonyms|2|Broader|0Narrower|0Related|10

43 entries under hard-and-fast topic. ×

1
inveterate(adjective, certain, limited, definite, inflexible)
1
level(adjective, certain, limited, definite, even)
1
limited(adjective, certain, definite, inflexible, restricted)
1
narrow(adjective, certain, limited, definite, inflexible)
1
never-failing(adjective, firm, certain, limited, definite)
1
planned(adjective, certain, limited, definite, inflexible)
1
prearranged(adjective, certain, limited, definite, inflexible)
1
precise(adjective, certain, limited, definite, inflexible)
1
resolute established(expression, adjective, certain, limited, definite)
1
resolved(adjective, certain, limited, definite, inflexible)
1
restricted(adjective, certain, limited, definite, inflexible)
1
rigged(adjective, certain, limited, definite, inflexible)
1
stated(adjective, certain, limited, definite, inflexible)
1
stipulated(adjective, certain, limited, definite, inflexible)
1
sure(adjective, certain, limited, definite, inflexible)
1
unbending(adjective, certain, limited, definite, inflexible)
1
unblinking(adjective, certain, limited, definite, inflexible)
1
unfaltering(adjective, certain, limited, definite, inflexible)
1
unflinching(adjective, certain, limited, definite, inflexible)
1
unmovable(adjective, certain, limited, definite, fixed)
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APASmart Define. (2015). unmodifiable thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unmodifiable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unmodifiable thesaurus" https://smartdefine.org/unmodifiable/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, unmodifiable thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unmodifiable/thesaurus/synonyms>.
MLASmart Define. "unmodifiable thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/unmodifiable/thesaurus/synonyms>