fireproof
Americanadjective
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resistant to destruction by fire.
-
totally or almost totally unburnable.
verb (used with object)
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fireproofs,
present (3rd person singular)
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fireproofed,
past participle, past
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fireproofing
present participle
adjective
verb
Other Word Forms
Derived Forms
Inflected Forms
Participles
Conjugated Forms
Present
-
fireproofsimple
-
fireproofssimple
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have fireproofedperfect
-
has fireproofedperfect
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am fireproofingprogressive
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are fireproofingprogressive
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is fireproofingprogressive
-
have been fireproofingperfect progressive
-
has been fireproofingperfect progressive
Past
-
fireproofedsimple
-
had fireproofedperfect
-
was fireproofingprogressive
-
were fireproofingprogressive
-
had been fireproofingperfect progressive
Future
Etymology
Origin of fireproof
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
For that reason, many people once viewed mature sequoias as nearly fireproof.
From Science Daily ● Jul. 26, 2026
The Ukrainian president is the same as ever—steadfast, with a nervous system that seems fireproof and capable of withstanding anything.
From The Wall Street Journal ● Mar. 18, 2026
Mesh material and plastic sheets which were found on the outside of the buildings are not believed to be fireproof, while polystyrene was also found on the buildings' windows.
From BBC ● Nov. 27, 2025
She’s been holding Zoom meetings for neighbors, proselytizing just this month when she hosted a community potluck where 70 people watched her lay the first few Perfect Blocks of her fireproof home.
From Los Angeles Times ● Nov. 12, 2025
“All right. Consider it done. I’ll make the fireproof pouch tonight at the loom, when I’ve cleaned up. But what can I do now, while my hands are dirty?”
From "The House of Hades" by Rick Riordan
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A solid wall of fireproofs along Arch Street had held the fire from spreading eastward there, but as Franklin Street was passed in the southward sweep, the eastward urging was not wholly to be denied.
From White Ashes by Sidney R. (Sidney Robinson) Kennedy
One of the more recent fireproofs was Eugene Rivalli, whose act included, besides the usual effects, a cage of fire in which he stood completely surrounded by flames.
From The Miracle Mongers, an Exposé by Harry Houdini
The double row of fireproofs, which was to have held the fire at bay, was attacked and went down; then the Chamber of Commerce melted away; shortly after the court-house was assailed.
From Lippincott's Magazine of Popular Literature and Science, Vol. 12, No. 32, November, 1873 by Various
"It's a 100% wood house, so it's not like we fireproofed it or anything," Dora Atwater Millikin told the Los Angeles Times.
From BBC ● Aug. 21, 2023
“It’s a 100% wood house so it’s not like we fireproofed it or anything,” Atwater Millikin said.
From Los Angeles Times ● Aug. 18, 2023
In more modern and legally fireproofed buildings, fires are more likely to be contained, thanks to fireproof building materials and doors that automatically close, sealing off the fire in smaller spaces.
From New York Times ● Jan. 11, 2022
That popularity has fireproofed the Globes against years of criticism — and now makes it less likely the show will go away permanently.
From Washington Post ● May 13, 2021
In these feats Joe's costume was fireproofed, and, as they had been treated some time before, he knew there was only a remote possibility that they had been tampered with.
From Joe Strong the Boy Fire-Eater The Most Dangerous Performance on Record by Vance Barnum
Price hikes in notoriously opaque power markets can stem from transmission upgrades, volatile commodity costs and expensive fireproofing measures, factors that vary by region.
From The Wall Street Journal ● Nov. 10, 2025
Going forward, Aghayere would like to see better fireproofing on overpasses and bridges.
From Slate ● Jun. 16, 2023
Many of the residents he’s talked to have made peace that some level of fire danger will always exist, Trett said, no matter how big the buffer or how extensive the fireproofing.
From Seattle Times ● Aug. 14, 2022
In that case, fire experts identified numerous problems with the building, which also had just one main stairwell and lacked fireproofing on interior fixtures.
From New York Times ● Dec. 18, 2021
If we figure, however, for the same style of lighting, heating, ventilating and fireproofing, and provide an elevator and outside fire-escape, the cost could not be put below $40,000.
From The American Architect and Building News, Vol. 27, Jan-Mar, 1890 by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.