verb (used with object), mon·grel·ized, mon·grel·iz·ing.
- to subject (a breed, group, etc.) to crossbreeding, especially with one considered inferior.
- to mix the kinds, classes, types, characters, or sources of origin of (people, animals, or things).
- to make debased or impure: The French they speak is mongrelized.
- (tr) to make mixed or mongrel in breed, race, character, kind, etc