fireproof
Americanadjective
-
resistant to destruction by fire.
-
totally or almost totally unburnable.
verb (used with object)
adjective
verb
Other Word Forms
- nonfireproof adjective
- quasi-fireproof adjective
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.
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
His insurance should cover most of the rebuild, which includes pricey fireproof features.
From The Wall Street Journal • Jan. 6, 2026
But if a house is fireproof, it can act as a shield for the vulnerable wood homes behind it.
From Los Angeles Times • Nov. 12, 2025
“But if you have 30 fireproof homes clustered on two blocks? That’s fascinating.”
From Los Angeles Times • Nov. 12, 2025
After describing at great length how solid and fireproof the Tribune Building was, Mackintosh paused and, with a sad sigh, he con-cluded, “That is, it was fireproof up to the date of its destruction.”
From "The Great Fire" by Jim Murphy
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.
