Correct spelling for quack

Medical definition of quack:

A charlatan; one who pretends to a knowledge of medicine which he does not possess.

Usage examples for quack:

  • This latter must have been the case; how otherwise could the welfare of their Sovereign have been entrusted to a military quack whose want of energy and bad disposition had, in 1799, delivered up the capital of another Sovereign to his enemies. "The Project Gutenberg Memoirs of Napoleon Bonaparte, – Bourrienne, Constant, and Stewarton"
  • She made a gallant effort to follow them, but her foot tripped on the second bar; to save a fall she clutched the post, Daddles seized the golden opportunity, and with a loud quack of joy careered flapping down the field. "Loyal to the School, – Angela Brazil"
  • Will a duck quack "Jack and the Check Book, – John Kendrick Bangs"

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Excrementitious, fecal, foul. ...