1 of 2


fire·​proof ˈfī(-ə)r-ˌprüf How to pronounce fireproof (audio)
: proof against or resistant to fire


2 of 2


fireproofed; fireproofing; fireproofs

transitive verb

: to make fireproof

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
What maintenance is involved with a fireproof safe? Nicole Pyles, Better Homes & Gardens, 30 Mar. 2024 Everything from fireproof boxes to expanding files are on sale and ready to help streamline your work life. Kelsey Chapman, ABC News, 22 Mar. 2024 Putting items into a zip-close bag or waterproof container inside a fireproof safe can provide double protection. Nerdwallet, Hartford Courant, 1 Jan. 2024 The best place to burn your candle is on a fireproof surface (stone, glass, metal, or ceramic), Green adds. Michelle Rostamian, Better Homes & Gardens, 21 Nov. 2023 This energy-efficient Electric Heater heats up to 70°F in just two seconds, has a fireproof structure, and has a tip-off feature that keeps it safer around kids and pets. Hannah Rice, Rolling Stone, 13 Dec. 2023 The battery pack is made with a fireproof and scratch-resistant case, contributing to its impressive 4.8-star average rating for durability. Olivia Young, Travel + Leisure, 20 Nov. 2023 After wildfires in 2020 and 2021 wiped out up to about a fifth of all giant sequoias — once considered almost fireproof — the National Park Service last week embarked on a controversial project to help the mighty trees recover with its largest planting of seedlings a single grove. Brian Melley, Fortune, 26 Oct. 2023 Safety regulations allow only two nitrate prints to be kept on site at once, and they must be stored in fireproof cabinets with enhanced sprinkler systems in that area. Pat Saperstein, Variety, 1 Nov. 2023
In the latest development, the state is trying to thread the needle by requiring insurers to offer a discount when residents fireproof their homes. Kyle Bagenstose, USA TODAY, 11 July 2022 Ditto California, which invested in renewables rather than fireproof its grid and now is beyond out-of-state rescue. WSJ, 4 Jan. 2022 Homeowners seeking to better fireproof their properties can enlist Fire Maps, which uses drones to create 3D images of houses and terrain to pinpoint vulnerabilities. Kevin T. Dugan, Fortune, 30 Sep. 2021 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

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'fireproof.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use


1610, in the meaning defined above


1841, in the meaning defined above

Time Traveler
The first known use of fireproof was in 1610

Dictionary Entries Near fireproof

Cite this Entry

“Fireproof.” Dictionary, Merriam-Webster, Accessed 18 May. 2024.

Kids Definition


1 of 2 adjective
fire·​proof -ˈprüf How to pronounce fireproof (audio)
: not easily burned : made safe against fire


2 of 2 verb
: to make fireproof

More from Merriam-Webster on fireproof

Last Updated: - Updated example sentences
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