A person, animal, plant, or other thing which is from outside the family, group, organization, or territory under consideration.
Any life form of extraterrestrial or extradimensional origin.
A foreigner residing in a country.
One excluded from certain privileges; one alienated or estranged.
Not belonging to the same country, land, or government, or to the citizens or subjects thereof; foreign.
Very unfamiliar, strange, or removed.
Pertaining to extraterrestrial life; typical of an extraterrestrial creature.
To estrange; to alienate.
To transfer the ownership of something.
A person or thing whose nature or value is a mystery.
Used other than figuratively or idiomatically: see unknown, quantity.