Alien and External

Similar meaning words

Alien adjective - Being, relating to, or characteristic of a country other than one's own.

Usage example: new immigrants with customs alien to the community where they have settled

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External is a synonym for alien in foreign topic. In some cases you can use "External" instead an adjective "Alien".

External adjective - Not being a vital part of or belonging to something.

Usage example: the defendant's socioeconomic status must be regarded as entirely external to his guilt or innocence

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Alien is a synonym for external in outside topic. You can use "Alien" instead an adjective "External", if it concerns topics such as foreign.

The alien race Bill was born to, although roughly humanoid, are all hairless, lack external noses or ears, and are bright orange.

Source: Clark Kenting
Bizarre Alien Biology: Besides his external appearance and pink blood, Harry has a lower temperature than a human and is implied to be unable to digest alcohol.

Source: Comic Book / Resident Alien
Quake IV went back to brown, with some Mars-like red mixed in for external environments and the occasional burst of alien green tech inside.

Source: Real Is Brown

Cite this Source

External and Alien. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/alien/external

Alien & External. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/alien/external>.

External or Alien. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/alien/external.

Google Ngram Viewer shows how "alien" and "external" have occurred on timeline