/ Dictionary / Index E endless: Meaning and Definition of Find definitions for: end•less Pronunciation: (end'lis), [key] — adj. having or seeming to have no end, limit, or conclusion; boundless; infinite; interminable; incessant: an endless series of complaints; Time is endless. made continuous, as by joining the two ends of a single length: an endless chain or belt. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: endless (Thesaurus) end leaf end line Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language