3
ytterbium(noun, element)
2
atomic number 26
2
board
2
branding iron(noun, expression, idiom)
2
brazen
2
burnish(verb, clear, press, level, flush)
2
cast(noun, hard, metal)
2
cast iron(expression, idiom, hardness)
2
club(noun, tool, wedge)
2
compact(adjective, set, strong, hard, firm)
2
cutter
2
dogged(adjective, mean, strong, hard, tough)
2
drag
2
durable(adjective, firm, stiff, rigid)
2
ferric(adjective, strong, hard, tough, inflexible)
2
ferrous metal(noun, expression, hard)
2
flatiron
2
gilt
2
glaze(verb, clear, press, level, flush)
2
golden
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APASmart Define. (2015). iron thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/iron/thesaurus/synonyms
ChicagoSmart Define. 2015. "iron thesaurus" https://smartdefine.org/iron/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, iron thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/iron/thesaurus/synonyms>.
MLASmart Define. "iron thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/iron/thesaurus/synonyms>