quack

Noun
  • An untrained person who pretends to be a physician and who dispenses medical advice (synset 110516787)
  • The harsh sound of a duck (synset 107405362)
Adjective
  • Medically unqualified (synset 301917970)
Verb
  • Utter quacking noises (synset 201054970)
  • Act as a medical quack or a charlatan (synset 200011975)

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