quackish
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quack 1
(kwăk)n.
The characteristic sound uttered by a duck.
intr.v. quacked, quack·ing, quacks
To utter the characteristic sound of a duck.
[Middle English quek, of imitative origin.]
quack′y adj.
quack 2
(kwăk)n.
1. An untrained person who pretends to be a physician and dispenses medical advice and treatment.
2. A charlatan; a mountebank.
adj.
Relating to or characteristic of a quack: a quack cure.
intr.v. quacked, quack·ing, quacks
To act as a medical quack or a charlatan.
[Short for quacksalver.]
quack′er·y n.
quack′ish adj.
quack′ish·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.