Extraterrestrial - definition, pronunciation, transcription

Amer.  |ˌekstrətəˈrestriəl|  American pronunciation of the word extraterrestrial
Brit.  |ˌɛkstrətəˈrɛstrɪəl|  British pronunciation of the word extraterrestrial

noun

- a form of life assumed to exist outside the Earth or its atmosphere (syn: alien)

adjective

- originating or located or occurring outside Earth or its atmosphere

Examples

...the groundless theory that these ancient monuments were built by extraterrestrial visitants...

they claimed that they had been in contact with extraterrestrial beings

Word forms

noun
singular: extraterrestrial
plural: extraterrestrials
See also:  WebsterWiktionaryLongman