9 Grammatical Pitfalls


[fahyuh r-proof] /ˈfaɪərˌpruf/
resistant to destruction by fire.
totally or almost totally unburnable.
verb (used with object)
to make fireproof.
Origin of fireproof
1630-40; fire + -proof
Related forms
nonfireproof, adjective
quasi-fireproof, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for fireproof
  • It is fireproof, chemically resistant, and doesn't conduct electricity.
  • Airtight fireproof bunkers are relatively easy to build and are literally dirt cheap.
  • But instead of having a walled-in garden, he has fireproof masonry walls throughout the garden.
  • Reinforced concrete is much tougher than gypsum, but it is not fireproof.
  • He put on a pair of fireproof gloves and tried to open the door to one of the machine's ovens.
  • Two firefighters suited up in heavy fireproof turnouts and doused the volatile room in gasoline.
  • He says an old bachelor lived there, and then one day his home burned, and he rebuilt with concrete so it would be fireproof.
  • However, it's not clear how much it will cost to make rugged and fireproof nodes.
  • The perfectionist does not want old buildings made sanitary and fireproof without changing their essential character.
  • He even put on a fireproof suit and ignited himself, but there was no applause.
British Dictionary definitions for fireproof


capable of resisting damage by fire
(transitive) 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
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Word Origin and History for fireproof

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

Online Etymology Dictionary, © 2010 Douglas Harper
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