ninja

nin·ja  (nnj)

n. pl. ninja or nin·jas

A member of a class of 14th-century Japanese mercenary agents who were trained in the martial arts and hired for covert operations such as assassination and sabotage.

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[Japanese : nin, to endure + ja, person (from Middle Chinese tia).]

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ninja [ˈnɪndʒə]

n pl -ja, -jas

(Individual Sports & Recreations / Martial Arts (other than Judo & Karate) & Combat Sports) (sometimes capital) a person skilled in ninjutsu, a Japanese martial art characterized by stealthy movement and camouflage

[Japanese]

Thesaurus

Noun	1.	ninja - a member of the ninja who were trained in martial arts and hired for espionage or sabotage or assassinations; a person skilled in ninjutsu ninja - a class of 14th century Japanese who were trained in martial arts and were hired for espionage and assassinations Japanese, Nipponese - a native or inhabitant of Japan mercenary, soldier of fortune - a person hired to fight for another country than their own
	2.	ninja - a class of 14th century Japanese who were trained in martial arts and were hired for espionage and assassinations social class, socio-economic class, stratum, class - people having the same social, economic, or educational status; "the working class"; "an emerging professional class" Japanese, Nipponese - a native or inhabitant of Japan ninja - a member of the ninja who were trained in martial arts and hired for espionage or sabotage or assassinations; a person skilled in ninjutsu