/ Dictionary / Index D debonair: Meaning and Definition of Find definitions for: deb•o•nair Pronunciation: (deb"u-nâr'), [key] — adj. courteous, gracious, and having a sophisticated charm: a debonair gentleman. jaunty; carefree; sprightly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: debonair (Thesaurus) déboîté debone Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language