Adjectives

(a)unevennot even or uniform as e.g. in shape or texture“an uneven color”, “uneven ground”, “uneven margins”, “wood with an uneven grain”
(s)mismatched, uneven(of a contest or contestants) not fairly matched as opponents“vaudeville … waged an uneven battle against the church”
(a)odd, unevennot divisible by two
(s)unevenvariable and recurring at irregular intervals“an uneven gait”, “uneven spacing”
(s)spotty, uneven, scratchylacking consistency“the golfer hit the ball well but his putting was spotty”