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