Someone or something of mixed kind or uncertain origin, especially a dog.
‘That dog is a mongrel; who knows what breed it could be!’;
A thuggish, obnoxious, or contemptible person; a pitiable person.
The progeny resulting from a cross between two breeds, as of domestic animals; anything of mixed breed.
Not of a pure breed.
Of mixed kinds; as, mongrel language.
derogatory term for a variation that is not genuine; something irregular or inferior or of dubious origin;
‘the architecture was a kind of bastard suggesting Gothic but not true Gothic’;
an inferior dog or one of mixed breed
A mongrel, mutt or mixed-breed dog is a dog that does not belong to one officially recognized breed and is not the result of intentional breeding. Although the term mixed-breed dog is sometimes preferred, many mongrels have no known purebred ancestors.