foreign in WordNet English dictionary

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"
   alien  foreign 
   
2. not belonging to that in which it is contained; introduced from an outside source
   "water free of extraneous matter"; "foreign particles in milk"
   extraneous  foreign 
   
3. relating to or originating in or characteristic of another place or part of the world
   "foreign nations"; "a foreign accent"; "on business in a foreign city"
   foreign  strange 
   
4. of concern to or concerning the affairs of other nations (other than your own)
   "foreign trade"; "a foreign office"
   foreign