Ninja — meaning in English

English meaning

• ninja noun Historically, a covert agent in feudal Japan trained in stealth, espionage, and combat.

Senses

Ninja is used for these senses in English:

• ninja (martial arts) A person trained in ninjutsu, especially (historical) one used for espionage, assassination, and other tasks requiring stealth during Japan's shogunate period.

ninja — full definition

1. noun Historically, a covert agent in feudal Japan trained in stealth, espionage, and combat.
2. noun (informal) Someone highly skilled at moving unnoticed or acting with great speed and precision.
3. verb (informal, internet) To beat someone to posting a reply, making their almost-finished response redundant.