Definition of Quack

Babylon English
quack
n. one who practices medicine without having the proper qualifications; impostor, charlatan; sound made by a duck
adj. impersonating, posing; involved in deceit
v. produce a quacking sound like that of a duck; impersonate, pose as a professional (esp. a doctor); deceive, mislead

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Quack definition was found in categories: Language, Idioms & Slang(6)  Medicine(2)  Encyclopedia(1)  

Quack Definition from Language, Idioms & Slang Dictionaries & Glossaries

Webster's Revised Unabridged Dictionary (1913)
Quack
(v. i.)
To utter a sound like the cry of a duck.
  
(v. i.)
To make vain and loud pretensions; to boast.
  
(v. i.)
To act the part of a quack, or pretender.
  
(n.)
The cry of the duck, or a sound in imitation of it; a hoarse, quacking noise.
  
(n.)
Hence, one who boastfully pretends to skill or knowledge of any kind not possessed; a charlatan.
  
(n.)
A boastful pretender to medical skill; an empiric; an ignorant practitioner.
  
(a.)
Pertaining to or characterized by, boasting and pretension; used by quacks; pretending to cure diseases; as, a quack medicine; a quack doctor.
  

WordNet 2.0
quack

Noun
1. an untrained person who pretends to be a physician and who dispenses medical advice
(hypernym) doctor, doc, physician, MD, Dr., medico
2. the harsh sound of a duck
(hypernym) sound

Verb
1. utter quacking noises; "The ducks quacked"
(hypernym) utter, emit, let out, let loose
2. act as a medical quack or a charlatan
(hypernym) act, behave, do
(classification) medicine, practice of medicine

Adjective
1. medically unqualified; "a quack doctor"
(synonym) quack(a)
(similar) unqualified

Australian Slang
Quack
1. doctor, especially if not very good; 2. any medical practitioner, not necessarily an inferior one

hEnglish - advanced version
quack

quack
\quack\, n.
1. the cry of the duck, or a sound in imitation of it; a hoarse, quacking noise.
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. arlyle.
quack
\quack\, a. pertaining to or characterized by, boasting and pretension; used by quacks; pretending to cure diseases; as, a quack medicine; a quack doctor.
quack
\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."
3. to act the part of a quack, or pretender.
quack
adj : medically unqualified; "a quack doctor" [syn: quack(a) ]
n

1. an untrained person who pretends to be a physician and who dispenses medical advice
2. the harsh sound of a duck v 1: utter quacking noises; "the ducks quacked" 2: act as a medical quack or a charlatan


  similar words(3) 




 quack-quack 
 quack-quack 
 quack grass 

Concise English-Irish Dictionary v. 1.1
quack
v., i., vác, vác a ligean as

JM Welsh <=> English Dictionary
Coegfeddyg
Coegfeddyg = n. a quack doctor

Crachfeddyg
Crachfeddyg = n. a quack


Quack Definition from Medicine Dictionaries & Glossaries

Hepatitis Central (TM) Liver Disease Medical Glossary
Quack
A pretender to medical skill; a medical charlatan

The Glossary of the American Council on Science and Health
quack
Any person with characteristic pretensions, misrepresentations, practices, and/or methods who is unqualified or incompetent in the field to which such distinctions pertain. The word “quack” traces to two Dutch words: the obsolete verb “quacken,” which meant “to chatter or prattle,” and “salf,” a relative of the English word “salve.” Old-time quacksalvers were simply persons who bragged about the medicinals they offered.


Quack Definition from Encyclopedia Dictionaries & Glossaries

Wikipedia English - The Free Encyclopedia
Quack
Quack can refer to:

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