[ nin-juh ]
/ 藞n瑟n d蕭蓹 /
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See synonyms for: ninja / ninjas on Thesaurus.com

noun, plural nin路ja, nin路jas.
(often initial capital letter) a member of a feudal Japanese society of mercenary agents highly trained in martial arts and stealth (ninjutsu ), who were hired for covert purposes ranging from espionage to sabotage and assassination.
a person who is expert or highly skilled in a specified field or activity (often used attributively): marketing ninjas; ninja programmers.
verb (used with object) nin路jaed, nin路ja路ing.
Also nin路ja loot .Slang. (in a video game) to unfairly claim (valuable items or loot) from a treasure pool by taking them from a kill made by another player or bypassing the agreed-upon system for loot distribution in a group: When I ninja an epic item, I log off the server before anyone even realizes what happened.
Should you take this quiz on 鈥渟hall鈥 versus 鈥渟hould鈥? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?

Origin of ninja

First recorded in 1960鈥65; from Japanese, equivalent to nin- 鈥渆ndure鈥 + -ja, combining form of -sha 鈥減erson, agent鈥 (from Middle Chinese, equivalent to Chinese r臎n + zh臎 )
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2022

How to use ninja in a sentence

British Dictionary definitions for ninja

/ (藞n瑟nd蕭蓹) /

noun plural -ja or -jas
(sometimes capital) a person skilled in ninjutsu, a Japanese martial art characterized by stealthy movement and camouflage

Word Origin for ninja

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012