combustible

adjective

com·​bus·​ti·​ble kəm-ˈbə-stə-bəl How to pronounce combustible (audio)
1
: capable of combustion
combustible materials, such as paper, leaves, and sawdust
combustible gases
2
: easily excited
a combustible temper
The coach had to keep the combustible players under control.
combustibility noun
combustible noun
combustibly adverb

Examples of combustible in a Sentence

The fuel is highly combustible. don't store oily rags and other combustible materials in a hot attic
Recent Examples on the Web
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.
That leaves the party with a combustible combination of entrenched elites presiding over a rank-and-file cohort that loathes both Donald Trump and their own party. Paul Du Quenoy, MSNBC Newsweek, 26 Mar. 2025 Mixed in with newer homes and buildings constructed with fire-wise methods and materials are wooden cabins from the 1940s and ‘50s with highly combustible shake roofs and wood decks. Calmatters, The Mercury News, 20 Mar. 2025 The Times reported on other tensions, albeit of a less combustible nature, between Musk and Transportation Secretary Sean Duffy, as well as with Veterans Affairs Secretary Doug Collins. Niall Stanage, The Hill, 7 Mar. 2025 This week, the underarm serve ended a match and started some discourse, a remarkable winning streak snapped with a side of on-court drama and one of the most combustible players on the ATP Tour met his match. Charlie Eccleshare, The Athletic, 24 Mar. 2025 See All Example Sentences for combustible

Word History

Etymology

borrowed from Medieval Latin combustibilis, from Latin combustus (past participle of combūrere "to destroy with fire, combust") + -ibilis -ible

First Known Use

1529, in the meaning defined at sense 1

Time Traveler
The first known use of combustible was in 1529

Browse Nearby Words

Cite this Entry

“Combustible.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/combustible. Accessed 24 Apr. 2025.

Kids Definition

combustible

adjective
com·​bus·​ti·​ble kəm-ˈbəs-tə-bəl How to pronounce combustible (audio)
1
: capable of being burned
2
: catching fire or burning easily
combustibility noun
combustible noun

Medical Definition

combustible

adjective
com·​bus·​ti·​ble kəm-ˈbəs-tə-bəl How to pronounce combustible (audio)
: capable of combustion
combustible anesthetics

More from Merriam-Webster on combustible

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