Combust Definition

combusted, combusting, combusts
combusted, combusting, combusts
To catch fire; burst into flame.
The fire started when a pile of oily rags spontaneously combusted.
American Heritage
To undergo or cause to undergo combustion; burn.
Webster's New World
To become suddenly angry or agitated.
The defendant combusted when he heard the verdict.
American Heritage
To cause to burn; ignite.
American Heritage
To cause to become angry or violent.
Riots that are combusting whole provinces.
American Heritage

(astrology) In close conjunction with the sun (so that its astrological influence is "burnt up"), sometimes specified to be within 8 degrees 30'.


Origin of Combust

  • From Old French combust, from Latin combūstus.

    From Wiktionary

  • Back-formation from combustion

    From American Heritage Dictionary of the English Language, 5th Edition

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