NINJA

ninja

(noun) a class of 14th century Japanese who were trained in martial arts and were hired for espionage and assassinations

ninja

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

Source: WordNet® 3.1

Etymology

Noun

ninja (plural ninja or ninjas)

(martial arts) A person trained in ninjutsu, especially (historical) one used for espionage, assassination, and other tasks requiring stealth during Japan's shogunate period.

(figurative) A person considered similarly skillful to the historical ninja, especially in covert or stealthy operation.

(figurative) A person considered to look like the historical ninja in some way, including (Mongolia, historical slang) amateur private miners.

(Juggalo slang) synonym of man as a friendly term of address.

Synonyms

• (person trained in ninjutsu): shinobi, assassin, spy

• (figurative covert agent): killer, spy, superspy, magician, secret agent

Hyponyms

• (person trained in ninjutsu): kunoichi

Adjective

ninja (not comparable)

Of or related to ninjas in their various senses.

Verb

ninja (third-person singular simple present ninjas, present participle ninjaing, simple past and past participle ninja'd or ninjaed)

(ambitransitive) To act or move like a ninja, particularly with regard to a combination of speed, power, and stealth.

(Internet, slang) synonym of preempt: to supersede and invalidate a response by posting immediately before it.

(online gaming slang) To claim an item through abuse of game mechanics.