combust

verb

com·​bust kəm-ˈbəst How to pronounce combust (audio)
combusted; combusting; combusts
: burn

Examples of combust in a Sentence

anthracite, which is naturally hard, combusts more cleanly than bituminous coal
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.
But since then, the Musk-Trump partnership has combusted, with the President even threatening to pull federal funding from Musk’s companies, including SpaceX. At the same time, the X platform continues to spark controversial incidents that might alienate some advertisers. Michael Kan, PC Magazine, 9 July 2025 Missiles combusted an oil refinery in Haifa and struck a hospital, a science institute and residential areas. Sebastien Roblin, Forbes.com, 1 July 2025 Western Maryland’s communities should not be left to combust in the footnotes of our state’s history, but should be integral to its future. Daniel A.c. McBride, Baltimore Sun, 1 June 2025 The dog, which Giancarlo said combusted as if something flammable had been applied to it, ran over to the couch, where the tenant tried to grab it, the report said. Ethan Baron, Mercury News, 20 May 2025 See All Example Sentences for combust

Word History

Etymology

derivative of earlier combust, combusted "burned, consumed," going back to Middle English combust, borrowed from Latin combustus, past participle of combūrere "to destroy with fire, reduce to ashes, calcine," from com- com- + ūrere "to expose to fire, burn, scorch" (with -b- from ambūrere "to burn around, scorch," falsely parsed as am- + būrere) — more at adust

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of combust was in the 15th century

Browse Nearby Words

Cite this Entry

“Combust.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/combust. Accessed 19 Jul. 2025.

Kids Definition

combust

verb
com·​bust kəm-ˈbəst How to pronounce combust (audio)
: to be or set on fire : burn
Last Updated: - Updated example sentences
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