- Noun - 1. a person who comes from a foreign country; someone who does not owe allegiance to your country - 2. anyone who does not belong in the environment in which they are found - 3. a form of life assumed to exist outside the Earth or its atmosphere 
- Verb - 1. transfer property or ownership; "The will aliened the property to the heirs"- 2. arouse hostility or indifference in where there had formerly been love, affection, or friendliness 
- Adjective - 1. not contained in or deriving from the essential nature of something; "an economic theory alien to the spirit of capitalism""the mysticism so foreign to the French mind and temper""jealousy is foreign to her nature"- 2. being or from or characteristic of another place or part of the world; "alien customs""exotic plants in a greenhouse""exotic cuisine"