/ Dictionary / Index D double-jointed: Meaning and Definition of Find definitions for: dou•ble-joint•ed Pronunciation: (dub'ul join'tid), [key] — adj. (of particular people or animals) having unusually flexible joints that can bend in unusual ways or to abnormally great extent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: double-jointed (Thesaurus) double jeopardy double jump Related Content Daily Word Quiz: topography Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language