burn up Meaning, Definition & Usage

  1. verb burn brightly
    blaze up; flare; flame up.
    • Every star seemed to flare with new intensity
  2. verb use up (energy)
    burn off; burn.
    • burn off calories through vigorous exercise
  3. verb burn completely; be consumed or destroyed by fire
    burn down; go up.
    • The hut burned down
    • The mountain of paper went up in flames

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