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 Only use fireworks outdoors away from buildings on a flat, level, hard, fireproof surface that is free of debris. Leada Gore |, al, 4 July 2021 Extras like a fireproof racing suit, a helmet with a GTA design, gloves, racing shoes, and a car cover help make up for the painfully high price, but not really. Juergen Zoellter, Car and Driver, 26 May 2021 This will take a skilled carpenter to cut the wood flooring and subflooring back to install a code-compliant fireproof hearth., 18 Apr. 2021 There are countless examples of resilience measures, from fireproof materials to stormproof windows, being installed in the aftermath of climate disasters. World Economic Forum, Forbes, 21 Apr. 2021 Officials are holding out hope that the flames failed to reach the bulk of the archive, which is stored in two basement floors protected by fireproof doors. Nora Mcgreevy, Smithsonian Magazine, 21 Apr. 2021 The home also includes a large, fireproof walk-in safe with a separate gun vault, a total of four laundry rooms, a 1,000-bottle wine cellar and a billiards room. Janice O'leary, Robb Report, 11 Mar. 2021 All fireplace screens must be made of a fireproof material, which is why nearly all are metal. Jennifer Blair,, 23 Dec. 2020 The passage, typed on fireproof paper, was inserted into the Apollo 8 flight plan. Teasel Muir-harmony, Smithsonian Magazine, 11 Dec. 2020 Recent Examples on the Web: Verb Officials have called on residents to fireproof their homes and businesses, and more communities are participating in the national Firewise program, which aims to reduce wildfire risks. Washington Post, 18 June 2021 The cathedral's massive limestone vaults, designed to fireproof the building's interior, largely held up under the collapse of the burning roof. Jennifer Ouellette, Ars Technica, 25 Nov. 2020 The very fact that firefighting is publicly funded decreases the incentive for WUI residents to fireproof their properties. Elizabeth Weil, ProPublica, 2 Oct. 2020 Rising premiums are pricing people out of their homes despite efforts to fireproof their properties. Carter Evans, CBS News, 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, 30 Aug. 2019 Additional legislation in Sacramento seeks to fireproof the state’s energy infrastructure. Kurtis Alexander,, 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, 23 Apr. 2018 The couple returned home Monday evening, and tried to fireproof the property. Ian Lovett, WSJ, 12 Oct. 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

18 Jul 2021

Cite this Entry

“Fireproof.” Dictionary, Merriam-Webster, Accessed 23 Jul. 2021.

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More Definitions for fireproof



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

More from Merriam-Webster on fireproof

Nglish: Translation of fireproof for Spanish Speakers


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