- Extraterrestrial - Spectral - Spooky - Unearthly - Relating to the soul; not carnal or secular; spiritual;
as, a ghostly confessor. - Of or pertaining to apparitions. - Spiritually; mystically.
- A property claim? Strange! - A right of possession for extraterrestrial - Being from outer space - Exotic - Exotic visitor? - extraneous - Extraterrestrial