nonflammable

adjective

ˌnän-ˈfla-mə-bəl How to pronounce nonflammable (audio)
Definition of nonflammablenext
as in noncombustible
incapable of being burned children's pajamas made of nonflammable fabric

Synonyms & Similar Words

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Antonyms & Near Antonyms

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 nonflammable Homeowners may remove trees in this immediate zone, provided a nonflammable area is established and maintained. — Chuck Page, Mercury News, 12 Apr. 2026 Wood, fiberglass and vinyl structures, such as fences and gates, are to be replaced with nonflammable materials such as stone, brick, metal and aluminum, Ilko said. — Elizabeth Marie Himchak, San Diego Union-Tribune, 20 Jan. 2026 Always place the heater on a hard, level and nonflammable surface; never place on tables, cabinets, furniture or carpet. — Julianna Duennes Russ, Austin American Statesman, 14 Dec. 2025 By using water as their solvent, these hydrogel batteries would prove nonflammable and less sensitive to moisture than commercial lithium-ion batteries. — IEEE Spectrum, 21 Apr. 2025 See All Example Sentences for nonflammable
Recent Examples of Synonyms for nonflammable
  1. noncombustible
  2. fireproof
  3. incombustible
Adjective
  • James Hardie fiber cement siding was selected for its noncombustible, moisture and pest resistance, and ability to stand up to weather extremes.
    — Jennifer Castenson, Forbes.com, 20 July 2026
  • Fire-proofing strategies include using noncombustible materials in decks and fences, moving plants away from houses and limiting the use of certain beloved plants — like rosemary or junipers — because they are known to be flammable.
    — Martha Ross, Mercury News, 3 July 2026
Definition of noncombustible
Adjective
  • Purchases allegedly made by Burke under aliases also included cadaver bags, heavy-duty laundry bags, chain saws, a shovel and a fireproof mat, Byers testified.
    — Madeline Morrison, NBC news, 22 July 2026
  • The Iroquois Theatre fire resulted in reforms such as fireproof scenery and stage curtains, illuminated exits and doors that open outward.
    — Kori Rumore, Chicago Tribune, 11 July 2026
Definition of fireproof
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

Browse Nearby Words

nonfinancial
nonflammable
nonformal
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Cite this Entry

“Nonflammable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nonflammable. Accessed 4 Aug. 2026.

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More from Merriam-Webster on nonflammable

Nglish: Translation of nonflammable for Spanish Speakers

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