fireproof

[fahyuh r-proof]

adjective

resistant to destruction by fire.
totally or almost totally unburnable.

verb (used with object)

to make fireproof.

Nearby words

  1. firepan,
  2. firepit,
  3. fireplace,
  4. fireplug,
  5. firepower,
  6. fireproofing,
  7. fireroom,
  8. firesafe,
  9. fireside,
  10. fireside chat

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. 2019

Examples from the Web for fireproof


British Dictionary definitions for fireproof

fireproof

adjective

capable of resisting damage by fire

verb

(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

fireproof

adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper