Professional boxing is a sport that has been around for centuries and has undergone numerous transformations over time. Synonyms for professional boxing include prizefighting, pugilism, boxing match, bout, ring fighting, fisticuffs, and sweet science. Prizefighting indicates that the sport is fought for a prize, while pugilism emphasizes the use of fists. A boxing match or a bout denotes a contest between two opponents. Ring fighting highlights that the sport takes place in a ring. Fisticuffs allude to a physical confrontation, whereas sweet science refers to the technical and strategic aspect of the sport. Whatever the label, professional boxing remains one of the most popular and exciting spectator sports today.