cast–iron

adjective

Definition of cast–iron

  1. 1 :  made of cast iron

  2. 2 :  resembling cast iron: such asa :  capable of withstanding great strain a cast–iron stomachb :  not admitting change, adaptation, or exception :  rigid a cast–iron will

First Known Use of cast–iron

1692


CAST–IRON Defined for English Language Learners

cast-iron

adjective

Definition of cast–iron for English Language Learners

  • : made of cast iron

  • : very strong or tough

  • : not likely to fail or be broken

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