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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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n. - The harsh sound of a duck; An untrained person who pretends to be a physician and who dispenses medical advice.

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Usage examples (37)
  • I heard the duck's quack from across the pond.
  • A quack doctor
  • The quack is your sit, stay and heel of duck calling.
  • Voice The classic quack is the call of the mallard hen.
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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.