strange

being definitely out of the ordinary and unexpected; slightly odd or even a bit weird; "a strange exaltation that was indefinable"; "a strange fantastical mind"; "what a strange sense of humor she has"

not known before; "used many strange words"; "saw many strange faces in the crowd"; "don't let anyone unknown into the house"

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"