fireproof

1 of 2

adjective

fire·​proof ˈfī(-ə)r-ˌprüf How to pronounce fireproof (audio)
: proof against or resistant to fire

fireproof

2 of 2

verb

fireproofed; fireproofing; fireproofs

transitive verb

: to make fireproof

Examples of fireproof in a Sentence

Adjective remember to store valuable papers in a fireproof box Verb The building was not fireproofed.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
Its exterior is built with a heavy-duty steel roof, fireproof and insulated wall panels, a soundproof and insulated door, and plastic steel sliding windows. Kelsey Fredricks, Better Homes & Gardens, 26 Oct. 2024 Keep them in one waterproof, fireproof case to take with you. Nicole Villalpando, Austin American-Statesman, 12 Jan. 2024
Verb
Related article As California wildfires become more frequent, people will need to fireproof their homes. Dakin Andone, CNN, 15 Jan. 2025 Lawmakers should be focused on fireproofing the state, not Trump-proofing it, as repeated by several legislative Republicans recently. Andrew Sheeler, Sacramento Bee, 14 Jan. 2025 See all Example Sentences for fireproof 

Word History

First Known Use

Adjective

1610, in the meaning defined above

Verb

1841, in the meaning defined above

Time Traveler
The first known use of fireproof was in 1610

Dictionary Entries Near fireproof

Cite this Entry

“Fireproof.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fireproof. Accessed 20 Jan. 2025.

Kids Definition

fireproof

1 of 2 adjective
fire·​proof -ˈprüf How to pronounce fireproof (audio)
: not easily burned : made safe against fire

fireproof

2 of 2 verb
: to make fireproof

More from Merriam-Webster on fireproof

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!