ALIEN

[adjective] - coming from a different country, race, or group; foreignIt's a country that has had an alien government and an alien language imposed on it by force.When I first went to New York, it all felt very alien (= strange) to me.(figurative) I find the idea of sending young children off to boarding school totally alien (= unnatural).(figurative) The practice of having a siesta after lunch is alien (= strange or not familiar) to the English.