unrelated

from WordNet (r) 3.0 (2006)

unrelated
    adj 1: lacking a logical or causal relation [ant: {related},
           {related to}]
    2: not connected by kinship [ant: {related}]

from The Collaborative International Dictionary of English v.0.48

Unrelated \Unrelated\
   See {related}.

from Moby Thesaurus II by Grady Ward, 1.0

35 Moby Thesaurus words for "unrelated":
      alien, apart, detached, different, disconnected, discrete,
      disjunct, disrelated, dissimilar, dissociated, distinct, exotic,
      extraneous, foreign, inappropriate, incommensurable, incomparable,
      incompatible, independent, insular, irrelative, isolated, other,
      outlandish, removed, segregate, separate, separated, strange,
      unaffiliated, unallied, unassociated, unconnected, unlinked,
      unrelatable