Synonyms:
ill-sorted, incompatible, mismated, unsuited
Meaning: not easy to combine harmoniously
Usage examples
"I shouldn't feel justified in telling her, behind your back, if I thought you unsuited for the place; but I should certainly feel justified," he rejoined after a pause, "in telling YOU if I thought the place unsuited to you."
Miss Priscilla was sitting at the table reading when they entered, and as she rose to greet them, holding her book in one hand, the thought entered Theo's mind that she could comprehend dimly why Lady Throckmorton disliked her, and thought her unsuited to Denis Oglethorpe.