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ironclad

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ironclad

Main Entry:: ¹iron·clad
Pronunciation:: \-ˈklad\
Function:: adjective
Date:: circa 1847

1: sheathed in iron armor —used especially of naval vessels2: 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>

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