Definitions
Historical Japanese covert agent or martial artist.
Word origin
The “Mongolian miner” sense arose from the supposed resemblance of the bowls used to wash ore with mercury to the shells of the Teenage Mutant Ninja Turtles.
Used in a sentence
“He used to work in the Japanese agency as a ninja.”
“The men... are now learning to be ninja or ‘stealers-in’.”
“Spies prowled Japan from the seventh century, but the secretive ninja left few written records.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Stealthy Japanese warrior”5 letters
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