extraterrestrial being

English Thesaurus

1. a form of life assumed to exist outside the Earth or its atmosphere (noun.person)

hypernym	:	hypothetical creature,
definition	:	a creature that has not been observed but is hypothesized to exist (noun.person)

derivation	:	alien, exotic,
definition	:	being or from or characteristic of another place or part of the world (adj.all)

derivation	:	extraterrestrial,
definition	:	originating or located or occurring outside Earth or its atmosphere (adj.pert)

derivation	:	alien, exotic,
definition	:	being or from or characteristic of another place or part of the world (adj.all)

derivation	:	extraterrestrial,
definition	:	originating or located or occurring outside Earth or its atmosphere (adj.pert)