Definition of "ninjutsu" []

• The Japanese martial art that is a collection of techniques originally practiced for Japanese espionage purposes, and includes methods of gathering information, nondetection, avoidance, and misdirection techniques. Used by ninja (忍者). (noun)

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• "Dux was trained in ninjutsu by marital arts master Tanaka after the death of his son."
• "A chakra jump is an unblockable dash to close distance, while a chakra attack initiates a "ninjutsu" - unique specials that stick closely to that character's style and are very entertaining to pull off."
• "There are several persons and organizations that claim to teach "ninjutsu" whose validity and/or lineage have come under question."