quack - definition and synonyms

noun [countable] 

Your browser doesn’t support HTML5 audio

/kwæk/
singularquack
pluralquacks
  1. 1
    informal a doctor who is not very good, or someone who cheats people by pretending to be a doctor
    1. a.
      British informal, showing disapproval a doctor
  2. 2

    Your browser doesn’t support HTML5 audio

    the sound that a duck makes
     Synonyms and related words