Noun
the traditional Japanese method of espionage; involves stealthy movements and the use of camouflage
Source: WordNetHis ancestry in Iga province, along with ninjutsu manuals published by his descendants have led some sources to define him as a ninja. Source: Internet
Modern schools that claim to train ninjutsu arose from the 1970s, including that of Masaaki Hatsumi ( Bujinkan ), Stephen K. Hayes ( To-Shin Do ), and Jinichi Kawakami (Banke Shinobinoden). Source: Internet
Most ninjutsu techniques recorded in scrolls and manuals revolve around ways to avoid detection, and methods of escape. Source: Internet