alien

Adjective

• being or from or characteristic of another place or part of the world
  • alien customs
    
  • exotic plants in a greenhouse
    
  • exotic cuisine
    

• 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
    

Noun

• a form of life assumed to exist outside the Earth or its atmosphere

• anyone who does not belong in the environment in which they are found

• a person who comes from a foreign country; someone who does not owe allegiance to your country

Verb

• arouse hostility or indifference in where there had formerly been love, affection, or friendliness
  • She alienated her friends when she became fanatically religious
    

• transfer property or ownership
  • The will aliened the property to the heirs
    

Related words

• Synonyms: 
  exotic , foreign , extraterrestrial being , extraterrestrial , stranger , unknown , foreigner , noncitizen , outlander , estrange , alienate , disaffect
• Antonyms: 
  acquaintance , friend , citizen