How to use alien in a sentence Usage guide synonym discussion of alien. / ˈeɪ·li·ən / coming from a different country, race, or group Alien customs (definition of alien from the cambridge academic content dictionary © cambridge university press) A creature from outer space See examples of alien used in a sentence.
A person who has been estranged or excluded Alien means belonging to a different country, race, or group, usually one you do not like or are frightened of He said they were opposed to the presence of alien forces in the region You use alien to describe something that seems strange and perhaps frightening, because it is not part of your normal experience. Meanings, etymology, pronunciation and more in the oxford english dictionary Definition of alien noun in oxford advanced learner's dictionary
Alien (plural aliens) a person, animal, plant, or other thing which is from outside the family, group, organization, or territory under consideration The word alien is multifaceted, having evolved over time in various contexts Not familiar or like other things you have known different from what you are used to often + to
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