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
“If 30 fireproof homes are spread across the Palisades, we’d be happy to insure, but the benefits won’t be as significant,” he said.
From Los Angeles Times • Nov. 12, 2025
In total, the shell of her fireproof home cost around $16,000, and the rebuild will cost less than $400 per square foot.
From Los Angeles Times • Nov. 12, 2025
Our itchy, ill-fitting, peculiar sweaters weren’t fireproof or waterproof, as the emu-raffe had guessed.
From "Hollow City" by Ransom Riggs
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.
