Source : Webster's Revised Unabridged Dictionary (1913)

Numberless \Num"ber*less\, a.
   Innumerable; countless.

Source : WordNet®

numberless
     adj : too numerous to be counted; "incalculable riches";
           "countless hours"; "an infinite number of reasons";
           "innumerable difficulties"; "the multitudinous seas";
           "myriad stars"; "untold thousands" [syn: {countless}, {infinite},
            {innumerable}, {innumerous}, {myriad(a)}, {multitudinous},
            {uncounted}, {unnumberable}, {unnumbered}, {unnumerable}]