The Collaborative International Dictionary of English v.0.48:

Inelegant \In*el"e*gant\, a. [L. inelegans: cf. F.
   in['e]l['e]gant. See In- not, and Elegant.]
   Not elegant; deficient in beauty, polish, refinement, grave,
   or ornament; wanting in anything which correct taste
   requires.
   [1913 Webster]

         What order so contrived as not to mix
         Tastes, not well joined, inelegant.      --Milton.
   [1913 Webster]

         It renders style often obscure, always embarrassed and
         inelegant.                               --Blair.
   [1913 Webster]

WordNet (r) 3.0 (2006):

inelegant
    adj 1: lacking in refinement or grace or good taste [ant:
           elegant]