D defs.my
Entry 2 senses Webster, 1913

mismatched

· mis·matched · IPA /mɪsmˈætʃt/
01 adj. Matched unsuitably; grouped into pairs or sets with incompatible characteristics.
  1. 1.
    Matched unsuitably; grouped into pairs or sets with incompatible characteristics.
  2. 2.
    Of very unequal ability; -- of contestants in a contest. The less able contestant is said to be overmatched or outclassed.
Syn. uneven, not fairly matched.