uneven

adjective

1. not even or uniform as e.g. in shape or texture"an uneven color"
2. (of a contest or contestants) not fairly matched as opponents"vaudeville … waged an uneven battle against the church"
3. not divisible by two
4. variable and recurring at irregular intervals"an uneven gait"
5. lacking consistency"the golfer hit the ball well but his putting was spotty"