quack

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Related to quacks: quacksalver, Quack medicine

quack 1

 (kwăk)
n.
The characteristic sound uttered by a duck.
intr.v. quacked, quack·ing, quacks
To utter the characteristic sound of a duck.

[Middle English quek, of imitative origin.]

quack′y adj.

quack 2

 (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, quack·ing, quacks
To act as a medical quack or a charlatan.

[Short for quacksalver.]

quack′er·y n.
quack′ish adj.
quack′ish·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

quack

(kwæk)
vb (intr)
1. (of a duck) to utter a harsh guttural sound
2. to make a noise like a duck
n
the harsh guttural sound made by a duck
[C17: of imitative origin; related to Dutch kwakken, German quacken]

quack

(kwæk)
n
1.
a. an unqualified person who claims medical knowledge or other skills
b. (as modifier): a quack doctor.
2. (Medicine) informal Brit and Austral and NZ a doctor; physician or surgeon
vb
(intr) to act in the manner of a quack
[C17: short for quacksalver]
ˈquackish adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

quack1

(kwæk)

n.
1. the harsh, throaty cry of a duck or any similar sound.
v.i.
2. to utter a quack.
[1610–20; compare Dutch kwakken, German quacken]

quack2

(kwæk)

n.
1. a fraudulent 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.
3. being a quack: a quack psychologist.
4. of, pertaining to, or befitting a quack or quackery: quack methods; quack medicine.
[1620–30; short for quacksalver]
quack′ish, adj.
quack′ish•ness, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

quack


Past participle: quacked
Gerund: quacking

Imperative
quack
quack
Present
I quack
you quack
he/she/it quacks
we quack
you quack
they quack
Preterite
I quacked
you quacked
he/she/it quacked
we quacked
you quacked
they quacked
Present Continuous
I am quacking
you are quacking
he/she/it is quacking
we are quacking
you are quacking
they are quacking
Present Perfect
I have quacked
you have quacked
he/she/it has quacked
we have quacked
you have quacked
they have quacked
Past Continuous
I was quacking
you were quacking
he/she/it was quacking
we were quacking
you were quacking
they were quacking
Past Perfect
I had quacked
you had quacked
he/she/it had quacked
we had quacked
you had quacked
they had quacked
Future
I will quack
you will quack
he/she/it will quack
we will quack
you will quack
they will quack
Future Perfect
I will have quacked
you will have quacked
he/she/it will have quacked
we will have quacked
you will have quacked
they will have quacked
Future Continuous
I will be quacking
you will be quacking
he/she/it will be quacking
we will be quacking
you will be quacking
they will be quacking
Present Perfect Continuous
I have been quacking
you have been quacking
he/she/it has been quacking
we have been quacking
you have been quacking
they have been quacking
Future Perfect Continuous
I will have been quacking
you will have been quacking
he/she/it will have been quacking
we will have been quacking
you will have been quacking
they will have been quacking
Past Perfect Continuous
I had been quacking
you had been quacking
he/she/it had been quacking
we had been quacking
you had been quacking
they had been quacking
Conditional
I would quack
you would quack
he/she/it would quack
we would quack
you would quack
they would quack
Past Conditional
I would have quacked
you would have quacked
he/she/it would have quacked
we would have quacked
you would have quacked
they would have quacked
Collins English Verb Tables © HarperCollins Publishers 2011
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.quack - an untrained person who pretends to be a physician and who dispenses medical advicequack - an untrained person who pretends to be a physician and who dispenses medical advice
doc, doctor, physician, Dr., MD, medico - a licensed medical practitioner; "I felt so bad I went to see my doctor"
charlatan, mountebank - a flamboyant deceiver; one who attracts customers with tricks or jokes
2.quack - the harsh sound of a duck
sound - the sudden occurrence of an audible event; "the sound awakened them"
Verb1.quack - utter quacking noises; "The ducks quacked"
let loose, let out, utter, emit - express audibly; utter sounds (not necessarily words); "She let out a big heavy sigh"; "He uttered strange sounds that nobody could understand"
2.quack - act as a medical quack or a charlatan
practice of medicine, medicine - the learned profession that is mastered by graduate training in a medical school and that is devoted to preventing or alleviating or curing diseases and injuries; "he studied medicine at Harvard"
behave, act, do - behave in a certain manner; show a certain behavior; conduct or comport oneself; "You should act like an adult"; "Don't behave like a fool"; "What makes her do this way?"; "The dog acts ferocious, but he is really afraid of people"
Adj.1.quack - medically unqualified; "a quack doctor"
unqualified - not meeting the proper standards and requirements and training
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

quack

noun
1. doctor, GP, physician, medical practitioner I went everywhere for treatment, tried all sorts of quacks.
2. charlatan, fraud, fake, pretender, humbug, impostor, mountebank, phoney or phony (informal) The man was a quack after all, just as Rosalinda had warned.
adjective
1. fake, fraudulent, phoney or phony (informal), pretended, sham, counterfeit Why do intelligent people find quack remedies so appealing?
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

quack

noun
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Translations
صَوْت البَطمُشَعْوِذيُبَطْبِط
kvákáníkvákatmastičkářšarlatán
kvaksalverrapperappen
prääks
huijarikvaakpuoskarivaakkua
garg, gagggarga, gagga
ガー ガーガーガーと鳴くガヤガヤしゃべるクェッ クェックワッ クワッ
pēkšķēšanapēkšķētšarlatāns
mastičkár
kvakanjekvakati
ördek sesişarlatanvakvaklamakyalancı doktor

quack

1 [kwæk]
A. N [of duck] → graznido m
B. VI [duck] → graznar

quack

2 [kwæk]
A. Ncharlatán/ana m/f; (= doctor) → curandero/a m/f (pej) → matasanos mf inv
B. CPD [remedy] → de curandero
quack doctor Nmedicucho/a m/f, curandero/a m/f
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

quack

[ˈkwæk]
n
[duck] → coin-coin m inv
(pejorative) (= doctor) → charlatan m
vi [duck] → faire coin-coin
modif [remedy, cure] → de charlatan quack doctorquack doctor ncharlatan m
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

quack

1
nSchnattern nt no pl, → Quaken nt no pl; quack-quack (baby-talk)Entchen nt
vi (duck)schnattern, quaken, quak machen (inf); what? she quackedwas?, quakte sie

quack

2
n (also quack doctor)Quacksalber m, → Kurpfuscher m; (hum: = doctor) → Doktor m, → Medizinmann m (hum)
adj attrKurpfuscher-; quack methodsKurpfuschermethoden pl; quack remedyMittelchen nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

quack

1 [kwæk]
1. n (of duck) → qua qua m inv
2. vifare qua qua

quack

2 [kwæk] n (pej) (bogus doctor) → ciarlatano/a (hum) (doctor) → dottore/essa
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

quack1

(kwak) noun
the cry of a duck.
verb
to make such a sound. The ducks quacked noisily as they swam across the pond.

quack2

(kwak) noun
(used as an adjective) a person who dishonestly claims to have medical qualifications. a quack doctor/psychologist; quack medicine/cures.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.

quack

n. charlatán, persona que pretende tener cualidades o conocimientos para curar enfermedades.
English-Spanish Medical Dictionary © Farlex 2012

quack

n (fam) matasanos mf, charlatán -tana mf
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in classic literature ?
There is a great quantity of eating and drinking, making love and jilting, laughing and the contrary, smoking, cheating, fighting, dancing and fiddling; there are bullies pushing about, bucks ogling the women, knaves picking pockets, policemen on the look-out, quacks (OTHER quacks, plague take them!) bawling in front of their booths, and yokels looking up at the tinselled dancers and poor old rouged tumblers, while the light-fingered folk are operating upon their pockets behind.
Finally his decision was pronounced: they were to go abroad, but to put no faith in foreign quacks, and to apply to him in any need.
The noise at night would have been annoying to me ordinarily, but I didn't mind it in the present circum- stances, because it kept me from hearing the quacks detaching legs and arms from the day's cripples.
And the White Duck brought the little creatures up, and they paddled after her in the pond, and caught gold-fish, and hopped upon the bank and waddled about, ruffling their feathers and saying 'Quack, quack' as they strutted about on the green banks of the pond.
"I wish to hatch my own eggs; I will hatch them all by myself," quacked Jemima Puddle-duck.
She gathered together her quack periodicals and her quack medicines, and thus armed with death, went about on her pale horse, metaphorically speaking, with "hell following after." But she never suspected that she was not an angel of healing and the balm of Gilead in disguise, to the suffering neighbors.
the higher things of life, how fine they are!" said the Duck; "and that reminds me how hungry I feel": and she swam away down the stream, saying, "Quack, quack, quack."
From the selling of quack medicines he had proceeded to the adulterating of foreign wines, varied by lucrative evening occupation in the Paris gambling houses.
All at once there began to go a sort of bustle among the bulrushes; a wild duck flew up with a quack, another followed, and soon over the whole surface of the marsh a great cloud of birds hung screaming and circling in the air.
In my country, those whom physicians abandon run the chance of a quack, who kills them ten times but saves them a hundred times."
He threw out biting remarks on Lydgate's tricks, worthy only of a quack, to get himself a factitious reputation with credulous people.
Earlier in the evening he had had a telephone conference with the Ancient Mariner, who had reported only progress with an exceptionally strong nibble that very day from a retired quack doctor.