忍者
Meanings
1
historical term
A historical covert agent in feudal Japan trained in ninjutsu. In modern usage, often refers to the pop-culture figure.
See also: 忍術
Ninjas infiltrated enemy territory using ninjutsu.
The main character of that anime is a ninja.
Usage patterns
- 忍者のように〈動詞〉to do something stealthily, like a ninja
He walked without making a sound, like a ninja.
- 〈人〉が忍者に扮するfor someone to dress up / disguise themselves as a ninja
The children dressed up as ninjas for the party.
- 忍者修行をするto train as a ninja
He went into the mountains to train as a ninja.