cast-iron

A form of cast iron — A hard and brittle, but strong, alloy of iron, carbon, and silicon, formed by casting in a mould.

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Meanings

adjectivecast-iron (comparative more cast-iron, superlative most cast-iron)

comparative more cast-iron · superlative most cast-iron

  1. alternativeAlternative form of cast iron.
    1 more example

    The only part of the passenger railway still in private hands is the rolling stock. The rolling stock companies (ROSCOs) have a cast-iron guarantee that come hell or high water, they still get their charges. Even if half the fleet is parked up in sidings, they are still entitled to all their payments.

    2020 April 8, Christian Wolmar, “"The show must go on": the railways must remain open”, in Rail, page 49
nouncast-iron (countable and uncountable, plural cast-irons)

plural cast-irons

  1. alternativecountableuncountableAlternative form of cast iron.

Synonyms & antonyms

adjectiveextremely robust

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Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

German gusseisern, Gusseisen
  • gusseiserncast-iron
  • Gusseisencast-iron
Polish żeliwny, żeliwo
  • żeliwnycast-iron
  • żeliwocast-iron
Cite this entry
APA

cast-iron. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/cast-iron

MLA

“cast-iron.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cast-iron. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “cast-iron,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/cast-iron.

Source: cast-iron on Wiktionary, CC BY-SA 4.0.