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whistle - definition and synonyms

 
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noun [countable] whistle pronunciation in British English /ˈwɪs(ə)l/
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singularwhistle
pluralwhistles
  1. 1
    a small metal or plastic object that you put in your mouth and blow to make a high sound
    blow a whistle: The referee blew the whistle for half-time.
    a whistle goes/sounds: The whistle went for full-time.
    1. a.
      a piece of equipment that produces a high sound, used as a warning or a signal on a train or a boat, or in a place such as a factory
      a whistle blows: The whistle blew as the train prepared to leave.
  2. 2
    the sound that someone makes when they force air through their mouth
    Loud cheers and whistles greeted the team.
    give/let out a whistle: Darren gave a low whistle.
    1. b.
      the sound that you make by blowing through a whistle
      Play stopped when we heard the whistle.
      the final whistle (=used for showing that a game or competition has finished): He scored again just seconds before the final whistle.
    2. c.
      the high sound that some birds make
      the skylark’s piercing whistle
      Synonyms and related words

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