"unevener" in the adjective sense
1. uneven
not even or uniform as e.g. in shape or texture
"an uneven color"
"uneven ground"
"uneven margins"
"wood with an uneven grain"
2. mismatched, uneven
of a contest or contestants) not fairly matched as opponents
"vaudeville...waged an uneven battle against the church"
3. odd, uneven
not divisible by two
4. uneven
variable and recurring at irregular intervals
"an uneven gait"
"uneven spacing"
5. spotty, uneven, scratchy
lacking consistency
"the golfer hit the ball well but his putting was spotty"
Source: WordNet® (An amazing lexical database of English)
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