different between quack vs mountebank

English

Pronunciation

• IPA^(key): /kwæk/
• Rhymes: -æk

Etymology 1

From Middle English *quacken, queken (“to croak like a frog; make a noise like a duck, goose, or quail”), from quack, qwacke, quek, queke (“quack”, interjection and noun), also kek, keke, whec-, partly of imitative origin and partly from Middle Dutch quacken (“to croak, quack”), from Old Dutch *kwaken (“to croak, quack”), from Proto-Germanic *kwakan?, *kwak?n? (“to croak”), of imitative origin. Cognate with Saterland Frisian kwoakje, kwaakje (“to quack”), Middle Low German quaken (“to quack, croak”), German quaken (“to quack, croak”), Danish kvække (“to croak”), Swedish kväka (“to croak, quackle”), Norwegian kvekke (“to croak”), Icelandic kvaka (“to twitter, chirp, quack”).

Alternative forms

• quaake (obsolete)

Noun

quack (plural quacks)

1. The sound made by a duck.

Translations

Verb

quack (third-person singular simple present quacks, present participle quacking, simple past and past participle quacked)

1. To make a noise like a duck.

Derived terms

Translations

References

Etymology 2

Clipping of quacksalver, from Middle Dutch kwaksalver (“hawker of salve”) (modern Dutch kwakzalver), from quacken (“to brag, boast; to croak”). Ultimately related to etymology one, above.

Noun

quack (plural quacks)

2. A fraudulent healer or incompetent professional; especially, a doctor of medicine who makes false diagnoses or inappropriate treatment; an impostor who claims to have qualifications to practice medicine. [from c. 1630]
   • 1636, John Ford, The Fancies Chaste and Noble

     The very quack of fashions, the very he that / Wears a stiletto on his chin.

   • 1662, Rump: or an Exact Collection of the Choycest Poems and Songs Relating to Late Times, Vol. II, by ‘the most Eminent Wits’

     Tis hard to say, how much these Arse-wormes do urge us, We now need no Quack but these Jacks for to purge us, [...]

   • 1843, Thomas Carlyle, Past and Present, book 2, ch. 8, The Electon

     ‘if we are ourselves valets, there shall ‘exist no hero for us; we shall not know the hero when we see him;’ - we shall take the quack for a hero; and cry, audibly through all ballot-boxes and machinery whatsoever, Thou art he; be thou King over us!

   • 1981, S.O.B. (film):

     Polly (to security guard, referring to Dr. Feingarten): Are you going to let that shyster in there?

     Dr. Feingarten: I could sue you, Polly. A shyster is a disreputable lawyer. I'm a quack.

3. A charlatan.
4. (slang) A doctor.

Synonyms

• medicaster (dated, now chiefly literary)
• quacksalver
• See also Thesaurus:deceiver

Derived terms

Translations

Verb

quack (third-person singular simple present quacks, present participle quacking, simple past and past participle quacked)

1. To practice or commit quackery (fraudulent medicine).
   • 1722, Daniel Defoe, A Journal of the Plague Year, London: E. Nutt et al., p. 36,^[1]

     […] it is incredible, and scarce to be imagin’d, how the Posts of Houses, and Corners of Streets were plaster’d over with Doctors Bills, and Papers of ignorant Fellows; quacking and tampering in Physick, and inviting the People to come to them for Remedies;

2. (obsolete) To make vain and loud pretensions.

   Synonym: boast

   • 1684, Samuel Butler, Hudibras, London, Part 3, Canto 1, p. 18,^[2]

     Seek out for Plants with Signatures

     To Quack of Universal Cures

Translations

Adjective

quack (comparative more quack or quacker, superlative most quack or quackest) (quacker and quackest are rare, and probably used humorously)

1. Falsely presented as having medicinal powers.

Translations

Further reading

• quack (disambiguation) on Wikipedia.Wikipedia
• quackery on Wikipedia.Wikipedia

English

Etymology

From Italian montambanco (“quack who mounts a bench to hawk his wares”) contracted from monta-in-banco (“mount on bench”).

Pronunciation

• IPA^(key): /?ma?nt??bæ?k/

Noun

mountebank (plural mountebanks)

1. One who sells dubious medicines.
   • 1712, John Arbuthnot, The History of John Bull

     There is nothing so impossible in Nature but mountebanks will undertake; nothing so incredible but they will affirm.

2. One who sells by deception; a con artist; a charlatan.
   • 1951, Isaac Asimov, Foundation (1974 Panther Books Ltd publication), part III: “The Mayors”, chapter 7, page 106, ¶ 13

     “Are you allowing yourselves to be fooled by this mountebank, this harlequin? Do you cringe before a religion compounded of clouds and moonbeams? This man is an imposter and the Galactic Spirit he speaks of a fraud of the imagination devised to——”

3. (obsolete) An acrobat.

Quotations

* For quotations using this term, see Citations:mountebank.

Translations

See also

• patent medicine
• snake oil
• quack

Verb

mountebank (third-person singular simple present mountebanks, present participle mountebanking, simple past and past participle mountebanked)

1. (intransitive) To act as a mountebank.
2. (transitive) To cheat by boasting and false pretenses.

Derived terms

• mountebankery

References