ironclad

2 ENTRIES FOUND:

1iron·clad

adj \-ˈklad\

Definition of IRONCLAD

1
: sheathed in iron armor —used especially of naval vessels
2
: so firm or secure as to be unbreakable: as a : binding <an ironclad oath> b : having no obvious weakness <an ironclad case against the defendant>

Examples of IRONCLAD

  1. The company has an ironclad policy against revealing secrets to competitors.
  2. He has an ironclad alibi.

First Known Use of IRONCLAD

circa 1847

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