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blow up

verb
  1. To explode or be destroyed by explosion.

    "Why do cars in movies always blow up when they fall off a cliff?"

  2. To cause (something or someone) to explode, or to destroy (something) or maim or kill (someone) by means of an explosion.

    "More civilians than soldiers have been blown up by anti-personnel mines."

  3. To inflate or fill with air, either by literally blowing or using an air pump.

    "For the school science project, each student will blow up a balloon and then tie it closed."

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