quack: Meaning and Definition of

quack

Pronunciation: (kwak), [key]
—v.i.
  1. to utter the cry of a duck or a sound resembling it.

quack

Pronunciation: (kwak), [key]
—adj.
  1. being a quack: a quack psychologist who complicates everyone's problems.
  2. presented falsely as having curative powers: quack medicine.
  3. of, pertaining to, or befitting a quack or quackery: quack methods.
—v.t.
  1. to treat in the manner of a quack.
  2. to advertise or sell with fraudulent claims.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
Quaalude quackery
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