Source : Webster's Revised Unabridged Dictionary (1913)

Nowhere \No"where`\, adv. [AS. n[=a]hw[=ae]r. See {No}, and
   {Where}.]
   Not anywhere; not in any place or state; as, the book is
   nowhere to be found.

Source : WordNet®

nowhere
     n : an insignificant place; "he came out of nowhere"
     adv : not anywhere; in or at or to no place; "I am going nowhere"