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.
Several structural pressures are converging to make this a uniquely combustible moment, one in which both the music industry and AI companies may see a narrow window to shape the future before external forces lock it in for them. Virginie Berger, Forbes.com, 6 June 2025 In a release sent Monday by the City of Gladstone, preliminary findings suggest the explosion may have involved combustible materials stored at the home. Noelle Alviz-Gransee, Kansas City Star, 3 June 2025 These types of batteries, although generally safe, can be highly combustible under specific circumstances, like extreme overheating or manufacturing defects. Will McCurdy, PC Magazine, 31 May 2025 The earlier case remained unsolved, but the parallels between the shootings are stark, echoing a combustible chapter in Israeli-Palestinian relations in which violence flared around the globe. Adam Goldman, New York Times, 22 May 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 13 Jun. 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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