Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “extraterrestrial”

extraterrestrial

adjective     /ˌek.strə.təˈres.tri.əl/
(coming from) outside the planet Earth : extraterrestrial beings Astronomy - general words
(Definition of extraterrestrial adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of extraterrestrial

Definitions of “extraterrestrial” in other dictionaries

Translations of “extraterrestrial”

Word of the Day

cookery

the skill or activity of preparing and cooking food

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More