Some common synonyms of alien are extraneous, extrinsic, and foreign. While all these words mean "external to a thing, its essential nature, or its original character," alien is stronger than …

Find 3,483 synonyms for alien and other similar words that you can use instead based on 20 separate contexts from our thesaurus.

These are words and phrases related to alien. Click on any word or phrase to go to its thesaurus page. Or, go to the definition of alien. During World War II, all aliens had to register with the …

What's the definition of Alien in thesaurus? Most related words/phrases with sentence examples define Alien meaning and usage.

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Synonyms for ALIEN: exotic, foreign, strange, unknown, outlandish, foreign, extraneous, extrinsic, different; Antonyms for ALIEN: native, appropriate, proper, akin, native, citizen, settler, …

The meaning of ALIEN is belonging or relating to another person, place, or thing : strange. How to use alien in a sentence. Synonym Discussion of Alien.