fireproof

[fahyuh r-proof]
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verb (used with object)
  1. to make fireproof.

Origin of fireproof

First recorded in 1630–40; fire + -proof
Related formsnon·fire·proof, adjectivequa·si-fire·proof, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


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British Dictionary definitions for fireproof

fireproof

adjective
  1. capable of resisting damage by fire
verb
  1. (tr) to make resistant to fire
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for fireproof
adj.

1630s, from fire (n.) + proof. As a verb, from 1867. Related: Fireproofed; fireproofing.

Online Etymology Dictionary, © 2010 Douglas Harper