quackish


quack 1

Q0005700 (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

Q0005700 (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.