Adjective
remember to store valuable papers in a fireproof box Verb
The building was not fireproofed.
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Adjective
Those things are fireproof, at least.—Ashley Hume, FOXNews.com, 9 May 2026 The proposal originally would have required companies to cover the homes of individuals who take specific steps to make their homes more fireproof, an idea that advocates and legislators have pitched for years.—Stephen Hobbs, Sacbee.com, 23 Apr. 2026
Verb
Antimony is an indispensable ingredient in ammunition, fireproofing military equipment, nuclear systems, and much more.—Lee Habeeb, MSNBC Newsweek, 3 Apr. 2025 Because of their supply of unfree labor to fight fires, Southern leaders felt little need to fireproof their cities, or adopt the innovations in firefighting made possible by new technologies.—Justin Hawkins / Made By History, TIME, 31 Jan. 2025 See All Example Sentences for fireproof