- Definitions|1
- Thesaurus|130
- Abbreviations|0
42 entries under cast-iron topic. ×
| unchangeable(adjective, secure, certain, steady, limited) | |
| fixed(adjective, set, secure, certain, steady) | |
| changeless(adjective, set, certain, limited, definite) | |
| determinate(adjective, certain, limited, definite, inflexible) | |
| inalterable(adjective, set, certain, limited, definite) | |
| inflexible(adjective, secure, certain, steady, limited) | |
| undeviating(adjective, firm, certain, limited, definite) | |
| abiding(adjective, certain, limited, definite, inflexible) | |
| agreed(adjective, certain, limited, definite, inflexible) | |
| arranged(adjective, certain, limited, definite, inflexible) | |
| certain(adjective, limited, definite, inflexible, restricted) | |
| circumscribed(adjective, certain, limited, definite, inflexible) | |
| confirmed(adjective, certain, limited, definite, inflexible) | |
| decided(adjective, certain, limited, definite, inflexible) | |
| defined(adjective, certain, limited, definite, inflexible) | |
| definite(adjective, certain, limited, inflexible, restricted) | |
| definitive(adjective, certain, limited, definite, inflexible) | |
| enduring(adjective, certain, limited, definite, inflexible) | |
| in the bag(expression, adjective, idiom, certain, limited) | |
| intent(adjective, certain, limited, definite, inflexible) |
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| APA | Smart Define. (2015). unmodifiable thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unmodifiable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unmodifiable thesaurus" https://smartdefine.org/unmodifiable/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, unmodifiable thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unmodifiable/thesaurus/synonyms>. |
| MLA | Smart Define. "unmodifiable thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/unmodifiable/thesaurus/synonyms> |