quack

1. An untrained person who pretends to be a physician and who dispenses medical advice (synset 110516787)
   is a type of:

   • doc, doctor, dr., md, medico, physician - a licensed medical practitioner
   • charlatan, mountebank - a flamboyant deceiver; one who attracts customers with tricks or jokes
2. The harsh sound of a duck (synset 107405362)
   is a type of: sound - the sudden occurrence of an audible event

1. Medically unqualified (synset 301917970)
   "a quack doctor"
   similar to: unqualified - not meeting the proper standards and requirements and training

1. Utter quacking noises (synset 201054970)
   "The ducks quacked"
   is a type of: emit, let loose, let out, utter - express audibly; utter sounds (not necessarily words)
2. Act as a medical quack or a charlatan (synset 200011975)
   referred to in: medicine, practice of medicine - the learned profession that is mastered by graduate training in a medical school and that is devoted to preventing or alleviating or curing diseases and injuries
   is a type of: act, behave, do - behave in a certain manner; show a certain behavior; conduct or comport oneself

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