n. Someone or something of mixed kind or uncertain origin; especially, a dog that is such.
the GNU version of the Collaborative International Dictionary of English
n. The progeny resulting from a cross between two breeds, as of domestic animals; anything of mixed breed.
adj. Not of a pure breed.
adj. Of mixed kinds.
The Century Dictionary and Cyclopedia
n. An individual or a breed of animals resulting from repeated crossing or mixture of several different varieties; the progeny of varieties, and especially of artificial varieties, as distinguished from the hybrid, or cross between two different species (but the distinction is not always observed).
n. Specifically, a dog of mixed breed.
n. Anything of mixed breed; anything that is a mixture of incongruous elements.
Of a mixed or impure breed; begotten or made up of different kinds: usually in a disreputable sense.
To make mongrel; mongrelize.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an inferior dog or one of mixed breed
n. derogatory term for a variation that is not genuine; something irregular or inferior or of dubious origin
Word Usage
"Bull-terriers, retrievers, nondescripts — the dog-lover abhors the term mongrel — sheep dogs and cattle dogs, pointers, and, most beloved of all, Irish terriers."