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burn up

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phrasal verb
Word Forms
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present tense
I/you/we/theyburn up
he/she/itburns up
present participleburning up
past tenseburned up or burnt up
past participleburned up or burnt up

Related dictionary definitions

  1. 1
    [intransitive/transitive] if something burns up, or if it is burned up, fire completely destroys it

    The spacecraft has a heat shield to prevent it burning up when it re-enters the Earth's atmosphere.

  2. 2
    [transitive] same as burn off (sense 2)

    Dancers burn up a lot of calories.

See also main entry: burn

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