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quack

Pronunciation: (kwak), [key]
—n.
the harsh, throaty cry of a duck or any similar sound.

—v.i.
to utter the cry of a duck or a sound resembling it.

quack

Pronunciation: (kwak), [key]
—n.
1. a fraudulent or ignorant pretender to medical skill.
2. a person who pretends, professionally or publicly, to skill, knowledge, or qualifications he or she does not possess; a charlatan.

—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.

Quaalude

quackery