quack

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He was called a quack, a fool, and a demon, while his friends were as extravagant in his praise as his foes in their censure.

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Definitions (31)

Toggle American Heritage definitions American Heritage Dictionary (6)

  1. noun The characteristic sound uttered by a duck.
  2. intransitive verb To utter the characteristic sound of a duck.
  3. noun An untrained person who pretends to be a physician and dispenses medical advice and treatment.

Toggle Century definitions Century Dictionary (13)

Toggle GNU Webster definitions GNU Webster's 1913 (7)

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This word has been looked up 143 times.

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Roget's II Roget's II: The New Thesaurus

Allen's Allen's Synonyms and Antonyms

Used in the same context Used in the Same Context

charlatan ·  impostor ·  hypocrite ·  swindler ·  deceiver ·  liar ·  madman ·  demagogue ·  adventurer ·  mountebank ·  pretender ·  dreamer

Used in the same contextWord Family

quack:   quacks ·  quacked
Roget's II: The New Thesaurus, Third Edition by the Editors of the American Heritage® Dictionary. Copyright © 2003, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Etymologies (6)

Toggle American Heritage etymologies American Heritage Dictionary (2)

  1. Middle English quek, of imitative origin.
  2. Short for quacksalver.

Toggle Century etymologies Century Dictionary (4)

  1. from Middle English *quakken (?), queken = Middle Dutch quacken, queken, croak, quack, cry as a frog, goose, or quail, later kwakken, kwaaken, Dutch kwaken, croak, as a frog, = Middle Low German quaken = German quacken, quaken, quack, croak, babble, quäcken, quäken, cry, scream, = Icelandic kvaka = Swedish qväka = Danish kvakke, croak, quack; cf. Latin coaxare, croak, Greek κοάξ, a quacking (see coaxation); all imitative words. Hence freq. quackle, and ult. quail.
  2. from Middle English quakke, queke = German quack, quak = Danish kvak; from the verb.
  3. A particular use of quack, now associated with quack, n., which is in part an abbreviation of quacksalver.
  4. Partly from quack, v., partly an abbreviation of quacksalver, q. v.
 

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/kwæk/
by American Heritage
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