noun
mongrel; mixed-breed dog; dog of nondescript breed
Refers to a dog of mixed or unknown breed, often with a slightly rough or unrefined connotation. Not a formal breed term.
あの雑犬はとても人懐っこい。
That mongrel is very friendly.
雑犬だけど、賢くて飼いやすいよ。
It's a mixed-breed dog, but it's smart and easy to keep.