Source : Webster's Revised Unabridged Dictionary (1913)

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.

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

         It renders style often obscure, always embarrassed and
         inelegant.                               --Blair.

Source : WordNet®

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