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1

quack

play
verb \ˈkwak\

Definition of quack

  1. intransitive verb
  2. :  to make the characteristic cry of a duck



Origin of quack

alteration of queck to quack, from Middle English queken, from queke, interjection, of imitative origin


First Known Use: 14th century


2

quack

noun

Definition of quack

  1. :  a noise made by quacking



1798

First Known Use of quack

1798


3

quack

verb

Definition of quack

  1. intransitive verb
  2. :  to act like a quack



Origin of quack

4quack


First Known Use: 1628


4

quack

noun

Definition of quack

  1. 1 :  charlatan 2

  2. 2 :  a pretender to medical skill

quackish play \ˈkwa-kish\ adjective


Origin of quack

short for quacksalver


First Known Use: 1638


5

quack

adjective

Definition of quack

  1. :  of, relating to, or used by quacks <quack cancer cures>



1653

First Known Use of quack

1653


QUACK Defined for Kids

1

quack

play
verb \ˈkwak\

Definition of quack for Students

quackedquacking

  1. :  to make the cry of a duck




2

quack

play
noun

Definition of quack for Students

  1. :  a cry made by a duck




3

quack

play
noun

Definition of quack for Students

  1. :  a person who pretends to have medical knowledge and skill




4

quack

play
adjective

Definition of quack for Students

  1. :  relating to, being, or used by a person who pretends to have medical skill <a quack doctor> <quack remedies>




Medical Dictionary

1

quack

play
noun \ˈkwak\

Medical Definition of quack

  1. :  a pretender to medical skill :  an ignorant or dishonest practitioner

quackish \-ish\play adjective



2

quack

adjective

Medical Definition of quack

  1. :  of, relating to, characteristic of, or being a quack <scores of quack remedies for arthritis—Jane E. Brody>





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