[1] : WordNet (r) 2.0

unalike
     adj : not alike or similar; "as unalike as two people could be"
           syn: dissimilar ant: alikep
see also:
dissimilar alikep 

[2] : Moby Thesaurus II by Grady Ward, 1.0

22 moby thesaurus words for "unalike":
   contrasting, counter, different, disparate, dissimilar, divergent,
   diverse, hardly like, nonuniform, odd, off, offbeat, out,
   scarcely like, unequal, unidentical, unlike, unmatched,
   unresembling, unsame, unsimilar, various

Unalike >> U Words
Unalike, definition of term: Unalike
unalike_pag1.html