mismatched (adj.)

• asymmetric
• discordant
• disparate
• disproportionate
• ill-chosen
• ill-sorted
• ill-timed
• improper
• inadequate
• inadmissible
• inapplicable
• inapposite
• inappropriate
• inapt
• incompatible
• incongruous
• inconsistent
• inept
• infelicitous
• inharmonious
• insufficient
• irregular
• irrelevant
• maladjusted
• malapropos
• mismated
• misplaced
• odd
• skew
• skewed
• unadapted
• unbecoming
• unbefitting
• uncongenial
• unequal
• uneven
• unfit
• unfitting
• unqualified
• unseasonable
• unseemly
• unsuitable
• unsuited
• untimely