1

quack

play
verb \ˈkwak\

Definition of quack

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

Origin and Etymology 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 and Etymology of quack

4quack


First Known Use: 1628


4

quack

noun

Definition of quack

  1. 1 :  charlatan 2 <Religious quacks on radio and television thinking up new ways to take money from ignorant listeners and incidentally from legitimate churches. — Andrew A. Rooney>

  2. 2 :  an ignorant, misinformed, or dishonest practitioner of medicine <No doubt these misunderstandings and dashed hopes have driven many cancer patients and their families into the arms of quacks. — Haydn Bush>

quackish

play \ˈkwa-kish\ adjective

Origin and Etymology 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

quacked

quacking

  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>



Seen and Heard

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