Alien meaning

What does “alien” mean? Definitions, examples, synonyms and opposites.

“alien” is a noun, verb and adjective with 6 meanings. Its most common meaning is: a person who comes from a foreign country; someone who does not owe allegiance to your country.

alien

noun

  1. a person who comes from a foreign country; someone who does not owe allegiance to your country

  2. anyone who does not belong in the environment in which they are found

  3. a form of life assumed to exist outside the Earth or its atmosphere

verb

  1. transfer property or ownership

    “The will aliened the property to the heirs”

    Synonymsalienate

adjective

  1. not contained in or deriving from the essential nature of something

    “an economic theory alien to the spirit of capitalism”

    “the mysticism so foreign to the French mind and temper”

    Synonymsforeign
  2. being or from or characteristic of another place or part of the world

    “alien customs”

    “exotic plants in a greenhouse”

    Synonymsexotic

Source: WordNet 3.1, Princeton University