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- Dictionaryalien/ˈeɪlɪən/
adjective
- 1. belonging to a foreign country: "an alien culture" Similar Opposite
- 2. unfamiliar and disturbing or distasteful: "principles that are alien to them" Similar Opposite
noun
- 1. a foreigner, especially one who is not a naturalized citizen of the country where he or she is living: "an enemy alien" Similar Opposite
- 2. a hypothetical or fictional being from another world: "she discovers that the alien's spaceship has crashed" Similar
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adjective. unlike one's own; strange; not belonging to one: In English class, our teacher treated all slang as alien speech. Synonyms: nonnative, incompatible, inimical, averse, antagonistic, foreign, unknown, unfamiliar, exotic.
Learn the various meanings and uses of the word alien, from foreign or strange to extraterrestrial or illegal. See synonyms, pronunciation, examples and word frequency of alien.
ALIEN definition: 1. strange and not familiar: 2. relating to creatures from another planet: 3. a creature from…. Learn more.
Learn the meaning, pronunciation and usage of the word alien as a noun in English. Find out the difference between alien and resident, alien and non-citizen, and alien and creature from another world.
relating to or originating in or characteristic of another place or part of the world. noun. a person who comes from a foreign country; someone who does not owe allegiance to your country. synonyms: foreigner, noncitizen, outlander. see more. noun. anyone who does not belong in the environment in which they are found. synonyms: stranger, unknown.