vroom

Definitions of vroom
  1. noun
    the roaring sound made by a motor that is running at high speed
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    type of:
    sound
    the sudden occurrence of an audible event
  2. verb
    make a loud, roaring sound, as of a car engine, while moving
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    type of:
    howl, roar
    make a loud noise, as of wind, water, or vehicles
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