flammable

adjective

ˈfla-mə-bəl How to pronounce flammable (audio)
Definition of flammablenext
as in combustible
capable of catching or being set on fire avoid wearing loose flammable clothing when using the blowtorch

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 flammable The technology is intended to deliver non-flammable, ultra-safe Battery Energy Storage Systems (BESS) for grid energy needs. — Mrigakshi Dixit, Interesting Engineering, 27 Aug. 2026 Opening these areas to commercial logging and thinning risks increasing wildfires by removing mature fire-resistant trees, increasing the drying effects of sun and wind and leaving behind flammable debris. — Patrick Parenteau, The Conversation, 26 Aug. 2026 The club had only one fire extinguisher and its ceiling was made of highly flammable material, while the venue’s 250-person capacity was exceeded by double the amount of people, most of them between the ages of 16 and 25. — Beatrice Loayza, Variety, 21 Aug. 2026 The regulations seek to reduce the risk of fire following paths of vegetation and flammable materials to homes, and also to help keep homes from catching fire because embers ignited materials beside them. — Ethan Baron, Mercury News, 20 Aug. 2026 See All Example Sentences for flammable
Recent Examples of Synonyms for flammable
  1. combustible
  2. explosive
  3. inflammable
Adjective
  • The timing is combustible The launch lands weeks after Apple sued OpenAI, alleging theft of trade secrets and confidential information about upcoming products.
    — Gabriel Alin Zainescu, Forbes.com, 21 Aug. 2026
  • In the first three years, combustible materials like firewood, dead leaves, branches, mulch and wood chips would have to be cleared 5 feet around homes.
    — Ethan Baron, Mercury News, 20 Aug. 2026
Definition of combustible
Adjective
  • In June, the FBI arrested five suspects in an alleged plot to target the Ultimate Fighting Championship event on the White House South Lawn with explosive-laden drones.
    — Seth G. Jones, Foreign Affairs, 3 Sep. 2026
  • Instead, the explosive Coleman Report unleashed a 60-year debate over race, resources, and what education in America is actually for.
    — Rund Abdelfatah, NPR, 3 Sep. 2026
Definition of explosive
Adjective
  • Many works of Georges Méliès are even believed to have been burned as the original negatives, as the nitrate film stock is incredibly fragile and inflammable.
    — Munis Raza, Interesting Engineering, 9 Mar. 2026
  • Flammable and inflammable mean the same thing.
    — Boston Herald editorial staff, Boston Herald, 10 Feb. 2026
Definition of inflammable

Browse Nearby Words

flaming out
flammable
flank
See all Nearby Words

Cite this Entry

“Flammable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/flammable. Accessed 4 Sep. 2026.

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