Definition of: mongrel

(mung′grəl, mong′-) noun
1. The progeny of crossed breeding; sometimes restricted to the progeny of artificial varieties: distinguished from a hybrid; specifically, a dog of mixed breed.
2. Any incongruous mixture.
—adjective Of mixed breed or origin; specifically, of a word or language made up of other words or languages: often a term of contempt. [<obs. mong mixture <OE gemang + -rel, dim. suffix]