By rumor she had chosen an unsuitable partner, but he didn't think that would make her sympathetic.

Do we really want to encourage them to marry unsuitable partners?

I'd gotten involved twice with unsuitable partners because of this tendency and had one helluva time disentangling myself.

The tremendous life expectancy there meant that one had to be pretty sure who he or she was marrying before taking the plunge: otherwise one could be stuck with an unsuitable partner for a century and a half.

Although her past makes her forever unsuitable for marriage to her wealthy lover and business partner, the two still pose for fake wedding pictures to send back home to her family.

Jenny picked losers, cheats and generally unsuitable partners time after time.

Analysts soon complained that Fleming was an unsuitable partner, with too few warehouses and delays in deliveries to stores.

"B.D.D.P. continues to prove itself a most unsuitable partner."

Such studies show that abusive men are widely viewed as unsuitable partners for dating or marriage.