extraterrestrial

Noun

Singular extraterrestrial

Plural extraterrestrials

1. An extraterrestrial is a being coming from a world other than Earth, whose true existence has not yet been proved.

   Popular representations of extraterrestrials often make them be little skinny humanoids with a large skull, wide black eyes and a green or grey skin.

2. (metaphorical) An extraterrestrial can also be so an uncommon person that ordinary people think he or she cannot be from Earth.

   Joseph von Neumann had so exceptional intellectual abilities that his neighbouring considered him an extraterrestrial.

Related words

• ET

Adjective

Positive extraterrestrial

Comparative more extraterrestrial

Superlative most extraterrestrial

1. Extraterrestrial can be applied to anything not coming from the Earth or not belonging to the Earth.

   Meteorites falling on the Earth's ground come from outer space : they are extraterrestrial objects.