Ninjutsu, the Japanese martial art that focuses on stealth and espionage techniques, has several synonyms. Shinobi-no-jutsu, meaning "the art of stealth," is one such synonym. Ninpo, which means "the art of perseverance," is also used interchangeably with ninjutsu. The term taijutsu refers specifically to the unarmed combat techniques in ninjutsu, while kenjutsu and bojutsu refer to the use of sword and staff weapons, respectively. Additionally, the term bujutsu can be used to describe any traditional Japanese martial art, including ninjutsu. Regardless of the synonym used, ninjutsu remains a highly respected and rigorous martial art, requiring a combination of physical ability and mental discipline.