1.Definition: (of a contest or contestants) not fairly matched as opponents
"Vaudeville...waged an uneven battle against the church"
3.Definition: not divisible by two
4.Definition: not even or uniform as e.g. in shape or texture
"An uneven color", "Uneven ground", "Uneven margins", "Wood with an uneven grain"
5.Definition: variable and recurring at irregular intervals
"An uneven gait", "Uneven spacing"