Definition of "alien"
- noun
A person, animal, plant, or other thing which is from outside the family, group, organization, or territory under consideration.
A foreigner residing in a country.
Any life form of extraterrestrial origin.
- adjective
Pertaining to an alien.
Very unfamiliar, strange, or removed.
- verb
To estrange; to alienate.
To transfer the ownership of something.
- Sources