extraterrestrial

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

a form of life assumed to exist outside the Earth or its atmosphere
• Syn:
extraterrestrial being, alien
• Derivationally related forms:
alien (for: alien)
• Hypernyms:
hypothetical creature

II - adjective

originating or located or occurring outside Earth or its atmosphere (Freq. 2)
- is there extraterrestrial life?
• Pertains to noun:
Earth

• Từ đồng nghĩa / Synonyms:
  extraterrestrial being, alien