mismate

Phyllie, don't mismate; those that do regret it.

From Tobogganing on Parnassus by Adams, Franklin P. (Franklin Pierce)

Of the 1975 comedy-drama "Lucky Lady," for example, he wrote that it was a "cynical, vulgar, contrived, mismated, violent, uneven and uninteresting disaster."

From Los Angeles Times ● Nov. 17, 2014

Unaware or uninterested that the two are mismated, the matchmakers give their efforts much more sense of ravishment than of matrimony.

From Time Magazine Archive

They have not much to sell: a handful of amber beads, half a dozen mismated, tinted water tumblers, a tall, slender, gaily painted chalk doll.

From Time Magazine Archive

One listener summed it up: "It didn't take Bernstein to show that they were mismated."

From Time Magazine Archive

Do the unhappily married ever dare pause to think of the real mate of each, lost somewhere in the wide world, perhaps going about, ever seeking, seeking, perhaps greatly mismated and equally unhappy?

From At Home with the Jardines by Bell, Lilian

The similar drug diethylstilbestrol, which Yale researchers are finding equally effective, has been used by veterinarians for years to treat mismating in animals.

From Time Magazine Archive

Such mismating is not at first apparent—may not be for several years.

From The Good Housekeeping Marriage Book by Bigelow, William F. (William Frederick)

The unhappiness resultant upon the mismating of a man and woman, utterly divergent in everything that is essential to make their union a happy one, is depicted in a forceful, clear, and well-sustained manner.

From A Trooper Galahad by King, Charles

It was a most queer mismating, for the man was plain, sincere and honorable, and she was almost everything else.

From Little Journeys to the Homes of the Great Philosophers, Volume 8 by Hubbard, Elbert

M. Arouet pater did not marry until his mind was mature, so that he might avoid the danger of a mismating.

From Little Journeys to the Homes of the Great Philosophers, Volume 8 by Hubbard, Elbert