alien - noun

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

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

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

alien - verb

• transfer property or ownership
• arouse hostility or indifference in where there had formerly been love, affection, or friendliness

alien - adjective

• not contained in or deriving from the essential nature of something
• being or from or characteristic of another place or part of the world

alien - thesaurus

alienate   disaffect   estrange   exotic   extraterrestrial   foreign   foreigner   noncitizen   outlander   stranger   unknown