quack

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quack

 [kwak]
one who misrepresents ability and experience in diagnosis and treatment of disease or the effects to be achieved by treatment.

char·la·tan

(shar'lă-tan),
A medical fraud claiming to cure disease by useless procedures, secret remedies, and worthless diagnostic and therapeutic machines.
Synonym(s): quack
[Fr., fr. It. ciarlare, to prattle]

quack

(kwak) one who misrepresents their ability and experience in diagnosis and treatment of disease or effects to be achieved by their treatment.

quack

(kwăk)
n.
1. An untrained person who pretends to be a physician and dispenses medical advice and treatment.
2. A charlatan; a mountebank.
adj.
Relating to or characteristic of a quack: a quack cure.
intr.v. quacked, quacking, quacks
To act as a medical quack or a charlatan.

quack′er·y n.
quack′ish adj.
quack′ish·ly adv.

quack

See charlatan.
adjective Unproven, of doubtful efficacy
noun Charlatan, mountebank. A person who impersonates a physician

quack

adjective Unproven, see there. noun Charlatan, montebank A person who impersonates a physician. See Health fraud, Medicine show, Patent medicine, Quackery, Questionable doctor, Unproven methods for cancer management. Cf Alternative medicine.

char·la·tan

(shahr'lă-tăn)
A medical fraud claiming to cure disease by useless procedures, secret remedies, and worthless diagnostic and therapeutic machines.
Synonym(s): quack.
[Fr., fr. It. ciarlare, to prattle]

quack

A person fraudulently claiming medical knowledge or skills or attempting to sell fraudulent remedies.

char·la·tan

(shahr'lă-tăn)
A medical imposter claiming to cure disease by useless procedures, secret remedies, and worthless diagnostic and therapeutic machines.
Synonym(s): quack.
[Fr., fr. It. ciarlare, to prattle]

quack,

n one who professes to have medical or dental skill that is not possessed; one who practices medicine or dentistry without adequate preparation or proper qualification.

quack

slang for a person who misrepresents his/her qualifications as a veterinarian, and therefore ability and experience in diagnosis and treatment of animal disease or the effects to be achieved by the treatment. Refers usually to a person without any qualifications who practices in breach of the local veterinary regulations and is liable to a heavy fine as a result.
References in periodicals archive ?
Two huge black bulls, chewing, look on nonchalantly as the little boy suddenly pulls up, bends down and peers inquisitively at the quacky ducks eye-to-eye.
Students dressed up in some quacky outfits for their Duck Off to Top-up Fees protest in Cardiff Bay.
I performed my two tracks Missing You and This is Goodbye, just after the Quacky Races duck race where the winner won a fly-drive holiday to Florida - lucky beggars