/ Dictionary / Index Q quackery: Meaning and Definition of Find definitions for: quack•er•y Pronunciation: (kwak'u-rē), [key] — pl. -er•ies. the practice or methods of a quack. an instance of this. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: quackery (Thesaurus) quack quack grass Related Content Daily Word Quiz: beseech Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language