Found 2 items, similar to extraterrestrial.
English → English (WordNet) Definition: extraterrestrial extraterrestrial adj : originating or located or occurring outside Earth or its atmosphere; “is there extraterrestrial life?” extraterrestrial n : a form of life assumed to exist outside the Earth or its atmosphere [syn: extraterrestrial being, alien]
English → English (gcide) Definition: extraterrestrial extraterrestrial \ex`tra*ter*res"tri*al\ ([e^]ks`tr[.a]*t[e^]r`r[e^]s"tr[i^]*al), adj. originating or located or occurring outside Earth or its atmosphere; as, there is no clear evidence for extraterrestrial life. [WordNet 1.5] extraterrestrial \extraterrestrial\ ([e^]ks`tr[.a]*t[e^]r`r[e^]s"tr[i^]*al), n. a hypothetical form of life existing outside the Earth or its atmosphere, especially intelligent life on other planets or in other solar systems; as, what would you say to an extraterrestrial?. Syn: extraterrestrial being, alien. [WordNet 1.5]