ALIEN

n. foreigner, person living in a nation where he or she is not a citizen; stranger, outsider; extra-terrestrial, creature from outer space

adj. strange, different; uncharacteristic; foreign; of or pertaining to life that did not originate on planet Earth

Alien may refer to:Science and engineeringAlien (biology)Extraterrestrial life, in scientific context.Extraterrestrial life in popular culture
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Noun
1. a person who comes from a foreign country; someone who does not owe allegiance to your country
(synonym) foreigner, noncitizen, outlander
(hypernym) traveler, traveller
(hyponym) au pair
2. anyone who does not belong in the environment in which they are found
(synonym) stranger, unknown
(hypernym) intruder, interloper, trespasser
(hyponym) foreigner, outsider
3. a form of life assumed to exist outside the Earth or its atmosphere
(synonym) extraterrestrial being, extraterrestrial
(hypernym) hypothetical creature
Verb
1. transfer property or ownership; "The will aliened the property to the heirs"
(synonym) alienate
(hypernym) transfer
2. arouse hostility or indifference in where there had formerly been love, affection, or friendliness
(synonym) estrange, alienate, disaffect
(hypernym) change, alter, modify
(hyponym) drift apart, drift away
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"; "jealousy is foreign to her nature"
(synonym) foreign
(similar) extrinsic
2. being or from or characteristic of another place or part of the world; "alien customs"; "exotic plants in a greenhouse"; "exotic cuisine"
(synonym) exotic
(similar) foreign

v. ally, join with -

(v. t.)
To alienate; to estrange; to transfer, as property or ownership.
  

(n.)
One excluded from certain privileges; one alienated or estranged; as, aliens from God's mercies.
  

(n.)
A foreigner; one owing allegiance, or belonging, to another country; a foreign-born resident of a country in which he does not possess the privileges of a citizen. Hence, a stranger. See Alienage.
  

(a.)
Wholly different in nature; foreign; adverse; inconsistent (with); incongruous; -- followed by from or sometimes by to; as, principles alien from our religion.
  

(a.)
Not belonging to the same country, land, or government, or to the citizens or subjects thereof; foreign; as, alien subjects, enemies, property, shores.