/ Dictionary / Index N numberless: Meaning and Definition of Find definitions for: num•ber•less Pronunciation: (num'bur-lis), [key] — adj. innumerable; countless; myriad. without a number. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: numberless (Thesaurus) number four wood number line Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language