Definition of quack - Reverso English Dictionary
Verb
1.
animalmake the characteristic sound of a duck
- Whenever she sees bread, the duck starts to quack loudly..
2.
medicalpractice fraudulent medicine or quackery
- He was caught quacking in the small town.
Noun
1.
animalsound made by a duck
- The pond was filled with the quack of ducks..
2.
medicalfraudulent healer or doctor
- He was exposed as a quack selling fake cures.
Adjective
fraudulent medicinerelating to fraudulent medical practices
- He was accused of selling quack remedies to the public..
Images of quack

sound made by a duck
Expressions with quack
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person pretending to be a doctor
The quack doctor prescribed fake medicine to the patients.
deceptive techniques lacking scientific support
He was criticized for promoting quack methods to the public.
scam product sold as a medical cure
She fell for a quack remedy advertised online.
imitating the sound of a duck
The children laughed and said quack-quack when they saw the ducks.
make sounds similar to a duck
The child tried to quack like a duck at the pond.
Origin of quack
Dutch, kwakzalver (quack salver)
Terms with quack included in their meaning
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quack
person selling fake medicines with tricks
quack medicine
medicine sold with exaggerated claims
Examples of quack in a sentence
At dawn, the ducks begin to quack. The charlatan was known for quacking remedies. She accused him of quacking to desperate patients. I heard a quack from the nearby pond. The quack of the ducklings was adorable. The quack promised a miracle cure for arthritis.
Beware of the quack who claims to cure all diseases. The clinic was shut down for its quack treatments. Beware of quack doctors offering miracle cures.
View all translations of quack
Click below to see the appropriate translations facing each meaning.
- French:cancaner, cancanement, ...
- German:quaken, Quaken, ...
- Italian:starnazzare, qua-qua, ...
- Spanish:graznar, cuac, ...
- Portuguese:grasnar, grasnido, ...
- Chinese:嘎嘎叫, 鸭叫声, ...
- Japanese:ガーガー鳴く, ガーガー, ...
- Arabic:بَطْبَط, بطبطة, ...
- Hebrew:לְגַעְגֵּעַ, גַּעְגּוּעַ, ...
- Russian:крякать, кряканье, ...
- Ukrainian:крякати, крякання, ...
- Hindi:बतख जैसी आवाज़ निकालना, क्वैक, ...
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