# ninjutsu

> English word · Noun · IPA /nɪnd͡ʒɪtsu/ · frequency rank #87,609

## Definitions
1. A 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).

## Etymology
From Japanese 忍術 (ninjutsu).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/ninjutsu