The term "dead man" has several synonyms that can be used to describe a deceased person. Some of the most common synonyms include cadaver, corpse, body, carcass, and remains. Each of these words has a slightly different connotation and may be used in different contexts. For example, "cadaver" is often used in medical and scientific settings, while "body" is a more general term that can be used in a variety of contexts. "Carcass" is typically used to describe the remains of an animal, while "corpse" and "remains" are more neutral terms that can be used in any situation. All of these synonyms can be used interchangeably, depending on the desired tone and context.