adjective iron·clad \-ˈklad\

: not able to be changed

: too strong to be doubted or questioned

Full Definition of IRONCLAD

:  sheathed in iron armor —used especially of naval vessels
:  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


noun iron·clad \-ˌklad\

Definition of IRONCLAD

:  an armored naval vessel especially of the mid to late 19th century

First Known Use of IRONCLAD



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