When it comes to mixed breed dogs, there are many synonyms to describe them. Some alternatives to "mixed breed" include "mutt," "mongrel," "crossbreed," "hybrid," and "designer dog." While some of these terms may be seen as derogatory or outdated, they are still commonly used. "Designer dog" specifically refers to dogs that are purposely bred from two different purebred parents, while "hybrid" typically refers to dogs that are the result of multiple breeds over several generations. Ultimately, whatever term one uses to describe mixed breed dogs, these beloved pets are cherished for their unique and individual characteristics.