Synonyms for Mismatched (same or very similar meaning)
WordNet sense 1 (of the remaining member of a pair, of socks e.g.):
odd
WordNet sense 2 ((of a contest or contestants) not fairly matched as opponents):
uneven
WordNet sense 3 (poorly balanced or matched in quantity or value or measure):
unequal
From the ODE community, based on WordNet
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