A crossbreed dog is one whose parents are of two different breeds or a mixture of several breeds.
Crossbreeds often display a mixture of their parents' traits, so it's important to take this into account when thinking of buying or rehoming a crossbreed. This mix of traits inherited from the parents can combine in many different ways. However, knowing the mix of breeds may help tell you more about what your dog might be like physically and in terms of temperament.
If you are getting a puppy from a breeder, you should see the mother with the puppies and also ask for information about the father and what breed-associated health tests both parents have had. If you are rehoming a crossbreed dog, you should find out as much as you can about the parents, if possible.
Some popular crossbreeds have nicknames that combine the names of their parents’ breeds – Labradoodle (Labrador and Poodle) is a well-known example. Crossbreeds with these nicknames are often sold as "designer dogs".