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 Isopropyl alcohol is flammable; store the container in a cool place away from any direct heat source. — Mary Marlowe Leverette, The Spruce, 29 Aug. 2026 Headlines from the early 2020s were filled with Teslas burning in garages and Chevy Bolts taken off the road due to flammable batteries. — Todd C. Frankel, Washington Post, 28 Aug. 2026 But additional warnings were issued for Southern California's mountain ranges, as drier conditions throughout the week have made the region susceptible to flammable conditions. — Noe Padilla, USA Today, 28 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 See All Example Sentences for flammable
Recent Examples of Synonyms for flammable
  1. combustible
  2. explosive
  3. inflammable
Adjective
  • The products were largely designed as a harm reduction tool to help smokers transition from combustible cigarettes to a nicotine product with fewer adverse health effects.
    — Sasha Rogelberg, Fortune, 30 Sep. 2026
  • Police also reported discovering combustible materials inside the suspect’s vehicle.
    — Ariella Noveck, FOXNews.com, 29 Sep. 2026
Definition of combustible
Adjective
  • Instead of striking the target with an explosive warhead, the laser transfers energy into the target’s surface.
    — Prabhat Ranjan Mishra, Interesting Engineering, 2 Oct. 2026
  • In December 2024, Ellaboudy took sick leave from his employment because he was exposed to highly concentrated nitric acid, which is used to make explosive materials.
    — David Zimmermann, The Washington Examiner, 1 Oct. 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 9 Oct. 2026.

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