The Collaborative International Dictionary of English v.0.48:

Inelaborate \In`e*lab"o*rate\, a. [L. inelaboratus. See In-
   not, and Elaborate.]
   Not elaborate; not wrought with care; unpolished; crude;
   unfinished.
   [1913 Webster]

WordNet (r) 3.0 (2006):

inelaborate
    adj 1: not elaborate; lacking rich or complex detail [syn:
           inelaborate, unelaborate]