flam·​ma·​ble | \ˈfla-mə-bəl \

Definition of flammable 

: capable of being easily ignited and of burning quickly

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Other Words from flammable

flammable noun

Examples of flammable in a Sentence

avoid wearing loose flammable clothing when using the blowtorch

Recent Examples on the Web

Lacking concrete success afterward has piled up on the flammable former Phillie. Chandler Rome, Houston Chronicle, "Astros demote reliever Ken Giles to Fresno," 12 July 2018 Painted canvas was shiny and dangerously flammable. Mary Horlock, Longreads, "The Camouflage Artist: Two Worlds Wars, Two Loves, and One Great Deception," 21 June 2018 The motorist was covered head to toe in the highly flammable liquid, and terrified. Madeleine Marr, miamiherald, "One minute she was pumping gas. The next, she thought she was going to die," 13 June 2018 Rumpke is not permitted to accept hazardous or flammable waste. Maytal Levi, Cincinnati.com, "Rumpke workers caught on camera pocketing trash," 6 July 2018 There was a fear that doing so would exacerbate an already flammable situation. Fox News, "Former agent fires back at calls to abolish ICE," 30 June 2018 Highly flammable and explosive, methanol can cause brain lesions and other disorders. OrlandoSentinel.com, "Hurricane Harvey's toxic impact deeper than public told," 22 Mar. 2018 It should be noted that this can increase risks such as fire, as dense young Mediterranean forest is very flammable. John Healey, John Halley And Kalliopi Stara, Smithsonian, "Sacred Sites Can Also Be Hotspots of Conservation," 17 May 2018 Talmadge Magno, the civil defense administrator for Hawaii County, said authorities also has asked a geothermic plant located half a mile from a Leilani Estates fissure to remove 12,000 gallons of a highly flammable chemical fuel from the area. Anchorage Daily News, "Erupting Hawaii volcano could next spew 10-ton boulders from its summit, scientists say," 10 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'flammable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of flammable

1813, in the meaning defined above

History and Etymology for flammable

Latin flammare to flame, set on fire, from flamma

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Statistics for flammable

Last Updated

9 Nov 2018

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Time Traveler for flammable

The first known use of flammable was in 1813

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More Definitions for flammable



English Language Learners Definition of flammable

: capable of being set on fire and of burning quickly


flam·​ma·​ble | \ˈfla-mə-bəl \

Kids Definition of flammable

: capable of being easily set on fire and of burning quickly

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More from Merriam-Webster on flammable

Thesaurus: All synonyms and antonyms for flammable

Spanish Central: Translation of flammable

Nglish: Translation of flammable for Spanish Speakers

Comments on flammable

What made you want to look up flammable? Please tell us where you read or heard it (including the quote, if possible).


to express warning or disapproval

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