1

ironclad

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adjective iron·clad \ˈī(-ə)rn-ˈklad\

Definition of ironclad

  1. 1 :  sheathed in iron armor —used especially of naval vessels

  2. 2 :  so firm or secure as to be unbreakable: such asa :  binding an ironclad oathb :  having no obvious weakness an ironclad case against the defendant

Examples of ironclad in a Sentence

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

  2. He has an ironclad alibi.

Recent Examples of ironclad from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ironclad.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of ironclad

circa 1847


2

ironclad

play
noun iron·clad \ˈī(-ə)rn-ˌklad\

Definition of ironclad

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

First Known Use of ironclad

1862


IRONCLAD Defined for English Language Learners

ironclad

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adjective

Definition of ironclad for English Language Learners

  • : not able to be changed

  • : too strong to be doubted or questioned



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