Definition of Foreign

• of concern to or concerning the affairs of other nations (other than your own); "foreign trade"; "a foreign office"
• 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"
• not belonging to that in which it is contained; introduced from an outside source; "water free of extraneous matter"; "foreign particles in milk"