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

• settlor
• Setubal
• setup
• Seurat
• Sevastopol
• seven
• Seven Hills of Rome
• seven iron
• seven seas
• Seven Wonders of the Ancient World
• Seven Wonders of the World
• Seven Years' War
• seven-day
• seven-membered
• seven-sided
• seven-spot
• seven-up
• sevener
• sevenfold
• sevens
• sevensome
• seventeen
• seventeen-year locust
• seventeenth
• seventh