Source : Webster's Revised Unabridged Dictionary (1913)

Uneven \Un*e"ven\, a. [AS. unefen. See {Un-} not, and {Even},
   a.]
   1. Not even; not level; not uniform; rough; as, an uneven
      road or way; uneven ground.

   2. Not equal; not of equal length.

            Hebrew verse consists of uneven feet. --Peacham.

   3. Not divisible by two without a remainder; odd; -- said of
      numbers; as, 3, 7, and 11 are uneven numbers.
      {Un*e"ven*ly}, adv. -- {Un*e"ven*ness}, n.

Source : WordNet®

uneven
     adj 1: not even or uniform as e.g. in shape or texture; "an uneven
            color"; "uneven ground"; "uneven margins"; "wood with
            an uneven grain" [ant: {even}]
     2: (of a contest or contestants) not fairly matched as
        opponents; "vaudeville...waged an uneven battle against
        the church" [syn: {mismatched}]
     3: inconsistent in quality [syn: {spotty}]