/ Dictionary / Index D double-duty: Meaning and Definition of Find definitions for: dou•ble-du•ty Pronunciation: (dub'ul-d'tē, -dy'-), [key] — adj. designed to fill two functions: double-duty tools. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. double Dutch double eagle Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language