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Meaning of QUACK

Pronunciation:  kwak

WordNet Dictionary
  1. [n]  the harsh sound of a duck
  2. [n]  an untrained person who pretends to be a physician and who dispenses medical advice
  3. [v]  act as a medical quack or a charlatan
  4. [v]  utter quacking noises; "The ducks quacked"

QUACK is a 5 letter word that starts with Q.


 See Also: act, behave, charlatan, do, doc, doctor, Dr., emit, let loose, let out, MD, medico, mountebank, physician, sound, utter



Webster's 1913 Dictionary
  1. \Quack\, v. i. [imp. & p. p. {Qvacked}; p. pr. & vb. n.
    {Quacking}.] [Of imitative origin; cf. D. kwaken, G. quacken,
    quaken, Icel. kvaka to twitter.]
    1. To utter a sound like the cry of a duck.
    2. To make vain and loud pretensions; to boast. `` To quack
       of universal cures.'' --Hudibras.
    3. To act the part of a quack, or pretender.
  2. \Quack\, n.
    1. The cry of the duck, or a sound in imitation of it; a
       hoarse, quacking noise. --Chaucer.
    2. [Cf. {Quacksalver}.] A boastful pretender to medical
       skill; an empiric; an ignorant practitioner.
    3. Hence, one who boastfully pretends to skill or knowledge
       of any kind not possessed; a charlatan.
             Quacks political; quacks scientific, academical.
  3. \Quack\, a.
    Pertaining to or characterized by, boasting and pretension;
    used by quacks; pretending to cure diseases; as, a quack
    medicine; a quack doctor.