Brazilian Jiu-Jitsu is a popular form of martial arts that originated in Brazil. It is known for its unique grappling techniques and emphasis on ground fighting. There are several synonyms for Brazilian Jiu-Jitsu, including BJJ, Gracie Jiu-Jitsu, and submission grappling. BJJ is the most commonly used synonym and refers to the Brazilian origin of the art while also acknowledging the influence of other grappling styles. Gracie Jiu-Jitsu is another synonym that highlights the role of the Gracie family in popularizing the art. Submission grappling is a broader term that encompasses various grappling styles but shares many techniques and principles with BJJ. Regardless of the synonym used, Brazilian Jiu-Jitsu remains a popular and effective martial art enjoyed by many worldwide.