quack
verb (1)
quacked;
quacking;
quacks
Definition of quack
(Entry 1 of 5)
: to make the characteristic cry of a duck
quack
noun (1)Definition of quack (Entry 2 of 5)
: a noise made by quacking
quack
verb (2)
quacked;
quacking;
quacks
Definition of quack (Entry 3 of 5)
: to act like a quack
quack
noun (2)Definition of quack (Entry 4 of 5)
1
: charlatan sense 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
: 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
quack
adjectiveDefinition of quack (Entry 5 of 5)
: of, relating to, or used by quacks
quack cancer cures
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