1. Originating or located or occurring outside Earth or its atmosphere
   "is there extraterrestrial life?"

1. A form of life assumed to exist outside the Earth or its atmosphere
   - extraterrestrial being, alien

Derived forms: extraterrestrials

See also: Earth

Type of: hypothetical creature

Encyclopedia: Extraterrestrial

• asterisk
• asterisked
• asterism
• asterismal
• astern
• asternal
• asteroid
• asteroid belt
• asteroidal
• Asteroidea
• Asterope
• asthenia
• asthenic
• asthenic type
• asthenopia
• asthenosphere
• astheny
• asthma
• asthma attack
• asthmatic
• Asti
• Asti Spumante
• astigmatic
• astigmatism
• astigmia