fire·​proof | \ ˈfī(-ə)r-ˌprüf How to pronounce fireproof (audio) \

Definition of fireproof

 (Entry 1 of 2)

: proof against or resistant to fire


fireproofed; fireproofing; fireproofs

Definition of fireproof (Entry 2 of 2)

transitive verb

: to make fireproof

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Synonyms & Antonyms for fireproof

Synonyms: Adjective

Antonyms: Adjective

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Examples of fireproof in a Sentence

Adjective remember to store valuable papers in a fireproof box Verb The building was not fireproofed.
Recent Examples on the Web: Adjective As to the threat of fire, Wolf says the most important work communities can do to protect themselves is to prepare their homes with fireproof roofs, vent screens, and pruned vegetation. Jane Braxton Little, Wired, "The Debate Over Burning Dead Trees to Create Biomass Energy," 27 June 2020 Store physical documents securely, such as in a fireproof and waterproof safe or safe deposit box; upload digital copies to secure cloud storage for remote access. cleveland, "How to make a financial recovery kit to rally faster after a disaster," 7 June 2020 In addition to handing off your online passwords, make sure to create a document that includes access to information that doesn’t require a website login, such as your computer passwords, phone and ATM PIN numbers, fireproof safe combinations, etc. Aidin Vaziri,, "Coronavirus: Bay Area help to get your will and other affairs in order," 3 Apr. 2020 With flames climbing as high as a 15-story building and menacing his supposedly fireproof home on three sides, Justin Kam ran to the laundry room and opened the door. Washington Post, "Family’s fortress no match for rapacious Australian fires," 8 Jan. 2020 No plant is fireproof, but many are fire-resistant. Washington Post, "Extreme weather has gardeners looking for resilient plants," 4 Feb. 2020 Also known as the stoker, the fireplace poker is a short, iron, fireproof rod that homeowners use to hook, rake, and push burning materials in their fireplace. The Editors, Field & Stream, "Three Great Gifts for the Home Hearth," 20 Nov. 2019 The blazes, which have hit both arid, fire-prone ecosystems and typically fireproof wetlands and rainforests, have already destroyed the habitats of dozens of rare animals and plants. John Pickrell, Science | AAAS, "A fires rage across Australia, fears grow for rare species," 17 Dec. 2019 During the next one the American armed forces used the stuff to insulate ships, tanks and aircraft and to make fireproof uniforms. The Economist, "Asbestos, Quebec wants a new name, maybe," 12 Dec. 2019 Recent Examples on the Web: Verb Rising premiums are pricing people out of their homes despite efforts to fireproof their properties. Carter Evans, CBS News, "California fire insurance premiums pricing out homeowners," 1 Nov. 2019 Even as California’s utilities do more to fireproof their lines and transformers, state officials say, the safest course during periods of high heat, dryness and winds may be to turn off power to some lines. Julie Cart, The Mercury News, "What to know as California’s peak fire months loom," 30 Aug. 2019 Additional legislation in Sacramento seeks to fireproof the state’s energy infrastructure. Kurtis Alexander,, "With wildfire season at hand, California on slightly safer footing this year," 17 June 2018 In the main living space, vaulted brick panels appear to float from the ceiling while steel beams that have been fireproofed add texture to the space. Lauren Ro, Curbed, "Moody apartment renovation is all about natural materials," 23 Apr. 2018 The couple returned home Monday evening, and tried to fireproof the property. Ian Lovett, WSJ, "Shifting Conditions, Poor Communications Complicate California Wildfires," 12 Oct. 2017 Scientists contend that if money were redirected from firefighting into projects like fireproofing homes, those communities could actually be made safer. Justin Gillis, The Seattle Times, "Let forest fires burn? A black-backed woodpecker would applaud," 11 Aug. 2017 This wouldn’t necessarily be bad advice if the building were fully fireproofed and adapted to ensure that fire doesn’t spread from floor to floor. Feargus O'sullivan, The Atlantic, "The Grenfell Tower Fire and London's Public-Housing Crisis," 14 June 2017 The government suggested fireproofing several buildings at the center where the festival is held. Jaime Yaya Barry, New York Times, "Fire Tears Through Senegal Religious Festival, Killing at Least 22," 13 Apr. 2017

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

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First Known Use of fireproof


1610, in the meaning defined above


1841, in the meaning defined above

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Time Traveler for fireproof

Time Traveler

The first known use of fireproof was in 1610

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Statistics for fireproof

Last Updated

5 Jul 2020

Cite this Entry

“Fireproof.” Dictionary, Merriam-Webster, Accessed 7 Aug. 2020.

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More Definitions for fireproof


How to pronounce fireproof (audio)

English Language Learners Definition of fireproof

 (Entry 1 of 2)

: not easily burned : not able to catch fire



English Language Learners Definition of fireproof (Entry 2 of 2)

: to make (something) safe from fire


fire·​proof | \ ˈfīr-ˈprüf How to pronounce fireproof (audio) \

Kids Definition of fireproof

: not easily burned : made safe against fire

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More from Merriam-Webster on fireproof

Thesaurus: All synonyms and antonyms for fireproof

Rhyming Dictionary: Words that rhyme with fireproof

Spanish Central: Translation of fireproof

Nglish: Translation of fireproof for Spanish Speakers

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