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combust

2 syllables
Quick answer

As a verb, combust means burn. As an adjective, it means in close conjunction with the sun (so that its astrological influence is "burnt up"), sometimes specified to be within 8 degrees 30'.

Meanings of combust

10 meanings

verb

  1. To burn; to catch fire.

  2. figurativelyTo erupt with enthusiasm or boisterousness.

  3. Cause to burn or combustweather

    “The sun burned off the fog”

    “We combust coal and other fossil fuels”

    Similar: burn
  4. Start to burn or burst into flamesweather

    “Marsh gases ignited suddenly”

    “The oily rags combusted spontaneously”

    Similar: erupt, ignite, catch fire, take fire, conflagrate
  5. Get very angry and fly into a rage

    “The professor combusted when the student didn't know the answer to a very elementary question”

    “Spam makes me go ballistic”

    Similar: flip one's lid, blow up, throw a fit, hit the roof, hit the ceiling, have kittens
  6. Cause to become violent or angry

    “Riots combusted Pakistan after the U.S. air attacks on Afghanistan”

  7. Undergo combustion

    “Maple wood burns well”

    Similar: burn

adjective

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

Older and rare meanings (1)
  1. obsoleteBurnt.

noun

  1. obsoleteThat which undergoes burning.

Meanings from Wiktionary (CC BY-SA 4.0) and Open English WordNet (CC BY 4.0).

Synonyms by meaning

All synonyms for combust →
verb: cause to burn or combust
verb: start to burn or burst into flames
eruptignitecatch firetake fireconflagrate
verb: get very angry and fly into a rage
flip one's lidblow upthrow a fithit the roofhit the ceilinghave kittenshave a fitblow one's stack
verb: undergo combustion

Words that rhyme with combust

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