(archaic) The study or treatment of mental disorders; psychiatry.

present participle of alien

plural of alienness

(transitive) To render (something or someone) alien

present participle of alienize

simple past tense and past participle of alienize

The process of alienizing something.

Third-person singular simple present indicative form of alienize

(US, law) A person born outside the United States who has legally established temporary or permanent residence in the United States, but has not become a United States citizen.

(chiefly US) An extraterrestrial being; a visitor from outer space.