/ Dictionary / Index Q Quaalude: Meaning and Definition of Find definitions for: Quaa•lude Pronunciation: (kwā'ld), [key] — Pharm., Trademark. Pharm.,Trademark. a brand of methaqualone. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: quaalude (Thesaurus) qua quack Related Content Daily Word Quiz: cur Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language