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Noun: vroom  vroom
  1. The roaring sound made by a motor that is running at high speed
    "The vroom of motorcycles filled the air at the race track"
Verb: vroom  vroom
  1. Make a loud, roaring sound, as of a car engine, while moving
    "The motorcycles vroomed past the spectators"

Derived forms: vrooms, vrooming, vroomed

Type of: howl, roar, sound

Encyclopedia: Vroom, Victor