extraterrestrial

2 synonyms and 3 antonyms for extraterrestrial, grouped by meaning and by how common each one is.

Adj — Originating from outside Earth, especially from another planet or outer space.

Synonyms

Everyday swaps

Common words most readers know — safe in any writing.

alien

Rare, literary or technical

Precise, but they will stand out — check the sense before using one.

extraterrestrial being

Synonyms by Meaning

1. adj

Originating from outside Earth, especially from another planet or outer space.

“The observatory searches for signs of extraterrestrial life.”

alien extraterrestrial being

Opposites

Earthling Terran terrestrial

2. noun

A being from outside Earth; an alien.

“Smith returns in Men In Black 3 as a veteran agent of a secret organization dedicated to policing the earth’s many extraterrestrials.”

alien

How to use extraterrestrial

The word patterns that sound natural to a native speaker.

extraterrestrial life extraterrestrial intelligence

Etymology

Formed from extra- ("outside") + terrestrial ("of the Earth"), literally "beyond Earth."

Full origin of extraterrestrial →

Frequently asked questions

What does “extraterrestrial” mean?

The word “extraterrestrial” means originating from outside Earth, especially from another planet or outer space. In plain terms, relating to something (or someone) from beyond Earth — an alien or alien life.

How do you pronounce “extraterrestrial”?

“Extraterrestrial” is pronounced ehk-struh-tuh-REHS-tree-uhl (/ˌɛk.stɹə.təˈɹɛs.tɹi.əl/ in IPA).

How do you use “extraterrestrial” in a sentence?

Here is “extraterrestrial” used in a sentence: “The observatory searches for signs of extraterrestrial life.”

What is the opposite of “extraterrestrial”?

The opposite of “extraterrestrial” — its antonyms — are Earthling, Terran and terrestrial.

What part of speech is “extraterrestrial”?

Depending on how it is used, “extraterrestrial” can be an adjective and a noun.

Is “extraterrestrial” a common word?

“Extraterrestrial” is an uncommon word in modern English.

How many meanings does “extraterrestrial” have?

“Extraterrestrial” has 2 distinct senses listed in this dictionary. The most common is: originating from outside Earth, especially from another planet or outer space.

People also searched

alien terrestrial Earthling Terran

Nearby words

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