mismatched
1. [ adjective ] either not matched or unsuitably matched
Related terms: matched odd ill-sorted ill-sorted incompatible
2. [ adjective ] (of a contest or contestants) not fairly matched as opponents
Synonyms: uneven
Examples:

"vaudeville...waged an uneven battle against the church"

Related terms: unequal
Similar spelling:   mismatch
  mismated
  mismate