Synonyms of ninja

Noun

1. ninja, mercenary, soldier of fortune

usage: a member of the ninja who were trained in martial arts and hired for espionage or sabotage or assassinations; a person skilled in ninjutsu

2. ninja, class, stratum, social class, socio-economic class

usage: a class of 14th century Japanese who were trained in martial arts and were hired for espionage and assassinations

Definition and meaning of ninja (Dictionary)