/ Dictionary / Index D doubleness: Meaning and Definition of Find definitions for: dou•ble•ness Pronunciation: (dub'ul-nis), [key] — n. the quality or condition of being double. deception or dissimulation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. double negative double-nickel Related Content Daily Word Quiz: languid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language