unbreed

The mutt, considered as a breed in its own right.

They are a generic, a noname animal, the unbreed, one of a kind, and in these days of mass-produced merchandise, of branding run rampant, the mutt's uniqueness is a priceless commodity.

To undo breeding or its effects.

We cannot unbreed the child and reconstitute his genes in a happier combination.

"That's what they were bred for and you just can't unbreed that kind of stuff in an animal overnight," Ellis said.

To cause to become extinct through insufficient fertility.

(No, I don't think the human species will unbreed itself out of existence.)

To unmake or destroy.

In the 1970s it was different, and there was no feasible Shihāb to hold the ring and unbreed suspicion.