Synonyms|131Antonyms|64|Broader|0Narrower|0Related|90

4 entries under adjective topic. ×

5
iron
1
definite(certain, sure, inflexible, intent)
0
rock-solid
0
sound
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APASmart Define. (2015). cast-iron thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/cast-iron/thesaurus/synonyms
ChicagoSmart Define. 2015. "cast-iron thesaurus" https://smartdefine.org/cast-iron/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, cast-iron thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/cast-iron/thesaurus/synonyms>.
MLASmart Define. "cast-iron thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/cast-iron/thesaurus/synonyms>