/ Dictionary / Index D Debussy: Meaning and Definition of Find definitions for: De•bus•sy Pronunciation: (deb"yoo-sē', dā"byoo-, du-by'sē Fr. du-by-sē'), [key] 1862–1918, French composer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: debussy (Thesaurus) debus debut Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language