/ Dictionary / Index D double-dealing: Meaning and Definition of Find definitions for: dou•ble-deal•ing Pronunciation: (dub'ul dē'ling), [key] — n. duplicity; treachery; deception. —adj. using duplicity; treacherous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: double-dealing (Thesaurus) double-deal double-deck Related Content Daily Word Quiz: quandary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language