as in noncombustible
incapable of being burned
remember to store valuable papers in a fireproof box
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Recent Examples of fireproof
Opt for something like these waterproof (and fireproof) document bags or plastic bins designed to keep water out.
—
Jillian Dara, Travel + Leisure, 14 Oct. 2025
Tubes attached to the fireproof shirt allow cooling liquid to circulate.
—Madeline Coleman, New York Times, 2 Oct. 2025
In 2021, firefighters wrapped trees with fireproof aluminum blankets in the famous Giant Forest in Sequoia National Park, home to five of Earth’s 10 largest trees, including the biggest of them all, the General Sherman Tree.
—Ethan Baron, Mercury News, 10 Sep. 2025
Its first offices consisted of two rooms and a fireproof vault in the old courthouse (built in 1874) in Washington.
—Arkansas Online, 23 Aug. 2025
See All Example Sentences for fireproof
Jillian Dara, Travel + Leisure, 14 Oct. 2025
Tubes attached to the fireproof shirt allow cooling liquid to circulate.
—Madeline Coleman, New York Times, 2 Oct. 2025
In 2021, firefighters wrapped trees with fireproof aluminum blankets in the famous Giant Forest in Sequoia National Park, home to five of Earth’s 10 largest trees, including the biggest of them all, the General Sherman Tree.
—Ethan Baron, Mercury News, 10 Sep. 2025
Its first offices consisted of two rooms and a fireproof vault in the old courthouse (built in 1874) in Washington.
—Arkansas Online, 23 Aug. 2025
See All Example Sentences for fireproof
Recent Examples of Synonyms for fireproof
Adjective
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Items mentioned in the ban include noncombustible products which can be chewed, absorbed, dissolved or ingested by other means.—
Dana Afana,
Freep.com,
22 Oct. 2025
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Among them: Remove weeds, brush, and other invasive vegetation and debris, and use noncombustible rock mulch around your home in place of standard mulch.—
Andrea Riquier,
USA Today,
3 Oct. 2025
Adjective
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The Tribune claimed its four-story building constructed of stone, brick and iron at the southeast corner of Dearborn and Madison streets was incombustible.—
Chicago Tribune staff,
Chicago Tribune,
22 May 2022
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The Chicago Tribune claimed its four-story building constructed of stone, brick and iron at the southeast corner of Dearborn and Madison streets was incombustible.—
Kori Rumore,
chicagotribune.com,
1 Oct. 2021
Adjective
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The second was to build what amounts to a nonflammable moat around a home to prevent embers from alighting on anything next to a house that could burn and ignite the structure.—
Bloomberg,
Mercury News,
12 Aug. 2025
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Keep vehicles off dry grass Properly discard cigarettes or anything flammable (think ashtrays or a nonflammable container, not the ground, and fully snuffed out) The air quality, however, is not dangerous, according to AirNow, which reports the official U.S. air quality.—
Nicole Villalpando,
Austin American Statesman,
2 July 2025
Cite this Entry
“Fireproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fireproof. Accessed 4 Nov. 2025.
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