quack

2 ENTRIES FOUND:

1quack

verb \ˈkwak\

Definition of QUACK

intransitive verb
:  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

2quack

noun

Definition of QUACK

:  a noise made by quacking

First Known Use of QUACK

1798

3quack

verb

Definition of QUACK

intransitive verb
:  to act like a quack

Origin of QUACK

4quack
First Known Use: 1628

4quack

noun

Definition of QUACK

1
:  charlatan 2
2
:  a pretender to medical skill
quack·ish \ˈkwa-kish\ adjective

Origin of QUACK

short for quacksalver
First Known Use: 1638

5quack

adjective

Definition of QUACK

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

First Known Use of QUACK

1653

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