FIREPROOF Synonyms: 29 Similar and Opposite Words

fireproof

adjective

ˈfī(-ə)r-ˌprüf

Definition of fireproof

as in noncombustible

incapable of being burned remember to store valuable papers in a fireproof box

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Example Sentences

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.

Recent Examples of fireproof The manufacturer of your gun cabinet should give precise ratings on their fireproof or waterproof limitations. — Bestreviews, Mercury News, 7 July 2026 Gravel is permanent, fireproof, and ideal for xeriscaping or rock gardens, but can trap soil and weeds, and may overheat plants. — Andy Wilcox, Better Homes & Gardens, 9 June 2026 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 See All Example Sentences for fireproof

Recent Examples of Synonyms for fireproof

Adjective

For example, potted plants must be in noncombustible pots and easily movable.

— Paris Barraza, USA Today, 17 Aug. 2026
The 650-year-old wall did exactly what a thick, noncombustible wall should do.

— Giorgia Giardina, The Conversation, 13 Aug. 2026

Definition of noncombustible

Adjective

The Tribune claimed its four-story building constructed of stone, brick and iron at the southeast corner of Dearborn and Madison streets was incombustible.

— Chicago Tribune staff, Chicago Tribune, 22 May 2022
The Chicago Tribune claimed its four-story building constructed of stone, brick and iron at the southeast corner of Dearborn and Madison streets was incombustible.

— Kori Rumore, chicagotribune.com, 1 Oct. 2021

Definition of incombustible

Adjective

Residents should clear dead or dying vegetation around their homes, landscape with fire-resistant plants and nonflammable ground cover, and find alternative ways to dispose of landscape debris, according to Cal Fire’s Nevada-Yuba-Placer Unit.

— Haley Parsley, Sacbee.com, 17 June 2026
That’s where nonflammable alternatives become essential.

— Georgina Jedikovska, Interesting Engineering, 6 May 2026

Definition of nonflammable

Browse Nearby Words

firepower

fireproof

fires

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“Fireproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fireproof. Accessed 25 Aug. 2026.

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Synonyms of fireproof

adjective

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