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iron(noun, adjective, strong, hard, tough)
For more, visit Ferrous on Power Thesaurus
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APASmart Define. (2015). ferrous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/ferrous/thesaurus/synonyms
ChicagoSmart Define. 2015. "ferrous thesaurus" https://smartdefine.org/ferrous/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, ferrous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/ferrous/thesaurus/synonyms>.
MLASmart Define. "ferrous thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/ferrous/thesaurus/synonyms>