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


2

quack

noun

Definition of quack

  1. :  a noise made by quacking

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


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


5

quack

adjective

Definition of quack

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

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



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