quack

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1 quack /ˈkwæk/ verb
quacks; quacked; quacking
1 quack
/ˈkwæk/
verb
quacks; quacked; quacking
Learner's definition of QUACK
[no object] of a duck
: to make a loud sound
2 quack /ˈkwæk/ noun
plural quacks
2 quack
/ˈkwæk/
noun
plural quacks
Learner's definition of QUACK
[count]
: the loud sound that is made by a duck
compare 3quack
3 quack /ˈkwæk/ noun
plural quacks
3 quack
/ˈkwæk/
noun
plural quacks
Learner's definition of QUACK
[count] informal
disapproving : an unskillful doctor or a person who falsely claims to have medical skills
British used in usually a negative or humorous way to refer to a doctor
compare 2quack

— quack

adjective, always used before a noun
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