The Collaborative International Dictionary of English v.0.48:

Unconformable \Un`con*form"a*ble\, a.
   1. Not conformable; not agreeable; not conforming.
      [1913 Webster]

            Moral evil is an action unconformable to it [the
            rule of our duty].                    --I. Watts.
      [1913 Webster]

   2. (Geol.) Not conformable; not lying in a parallel position;
      as, unconformable strata.
      [1913 Webster] -- Un`con*form"a*ble*ness, n. --
      Un`con*form"a*bly, adv.
      [1913 Webster]

WordNet (r) 3.0 (2006):

unconformable
    adj 1: not correspondent; "a description unconformable to
           previous accounts"