- Definitions|1
- Thesaurus|285
- Abbreviations|0
| cadmium | |
| cast iron(expression, idiom) | |
| changeless(inflexible, intent, hard-and-fast) | |
| chrome | |
| chromium | |
| circumscribed(inflexible, intent, hard-and-fast) | |
| confirmed(certain, definite, sure, inflexible, intent) | |
| decided(inflexible, intent, hard-and-fast) | |
| defensible | |
| defined(inflexible, intent, hard-and-fast) | |
| definitely | |
| definitive(inflexible, intent, hard-and-fast) | |
| determinate(inflexible, intent, hard-and-fast) | |
| enduring(inflexible, intent, hard-and-fast) | |
| exacting | |
| factual | |
| ferrous | |
| ferrous alloy | |
| firmer | |
| fixed(inflexible, intent, hard-and-fast) |
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| APA | Smart Define. (2015). cast-iron thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/cast-iron/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "cast-iron thesaurus" https://smartdefine.org/cast-iron/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, cast-iron thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/cast-iron/thesaurus/synonyms>. |
| MLA | Smart Define. "cast-iron thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/cast-iron/thesaurus/synonyms> |