The Collaborative International Dictionary of English v.0.48:

Nowise \No"wise`\, adv. [For in no wise. See Wise, n.]
   Not in any manner or degree; in no way; noways.
   [1913 Webster]

         Others whose case is nowise different.   --Earle.
   [1913 Webster]

WordNet (r) 3.0 (2006):

nowise
    adv 1: in no manner; "they are nowise different" [syn: nowise,
           to no degree]

Moby Thesaurus II by Grady Ward, 1.0:

20 Moby Thesaurus words for "nowise":
   at no hand, by no means, in no case, in no respect, in no wise,
   never, nohow, not a bit, not a jot, not a speck, not a whit,
   not an iota, not at all, not much, not nearly, noway, noways,
   nowhere near, on no account, under no circumstances