a member of the ninja who were trained in martial arts and hired for espionage or sabotage or assassinations; a person skilled in ninjutsu
"The historical records suggest that the legendary ninja was often a covert operative hired to infiltrate enemy fortifications under the cover of darkness."
a class of 14th century Japanese who were trained in martial arts and were hired for espionage and assassinations
"The museum curator explained that the famous sword displayed belonged to an elite ninja from the 15th century, whose mission was to spy on rival clans rather than engage in open battle."
A person trained in ninjutsu, especially (historical) one used for espionage, assassination, and other tasks requiring stealth during Japan's shogunate period.
"The museum exhibit featured a detailed diorama of a sixteenth-century ninja sneaking through the moonlit gardens to steal confidential scrolls from the rival clan."
To act or move like a ninja, particularly with regard to a combination of speed, power, and stealth.
"The spy slipped through the guarded gate so quickly that no alarms were triggered until he was already halfway across the city."
Of or related to ninjas in their various senses.
"The loan officer flagged the applicant as a ninja because he had no income, no job, and no assets to secure the new mortgage."
Initialism of no income, no job or assets, describing credit characteristics of a borrower, usually of a residential mortgage.