Pronunciation: /ɛkˈstərɛstrɪəl/
noun a being from outer space
A1 Extraterrestrials are beings from outer space.
A2 Many people believe that extraterrestrials have visited Earth.
B1 Scientists are studying the possibility of extraterrestrial life on other planets.
B2 There have been numerous reports of sightings of extraterrestrial spacecraft.
C1 The government has a secret department dedicated to researching extraterrestrial phenomena.
C2 Some conspiracy theorists claim that governments are hiding evidence of extraterrestrial contact.
adjective relating to or coming from outer space
A1 The children watched a movie about friendly extraterrestrial beings.
A2 Scientists are studying a mysterious object that could be of extraterrestrial origin.
B1 There have been many reported sightings of extraterrestrial spacecraft in this area.
B2 The government has a secret department dedicated to investigating extraterrestrial activity.
C1 The existence of extraterrestrial life forms is a topic of much debate among scientists.
C2 Some people claim to have had personal encounters with extraterrestrial beings.
formal Scientists are constantly searching for evidence of extraterrestrial life in the vast universe.
informal Have you ever wondered if extraterrestrial beings exist?
slang I heard a crazy theory about aliens being extraterrestrial tourists visiting Earth.
figurative The artist's work was so unique, it seemed almost extraterrestrial in nature.
exterrestrialed
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more exterrestrial
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have exterrestrialed
is exterrestrialing
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to exterrestrial
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