Molosser is a term used to describe a specific type of dog breed, but it can also be used to describe a group of dogs with certain physical characteristics. Some synonyms for the word molosser include mastiff, bulldog, and boxer. These breeds are known for their muscular build, thick bones, and powerful jaw, making them excellent guard dogs or working dogs. Molossers have been used throughout history for various purposes, including hunting, guarding, and even fighting. Despite their intimidating appearance and strong personality traits, molossers can also be loving and loyal companions to those who understand their needs and can provide them with proper training and socialization.