Definition: not known before
Usage: used many strange words; saw many strange faces in the crowd; don't let anyone unknown into the house
Definition: being definitely out of the ordinary and unexpected; slightly odd or even a bit weird
Usage: a strange exaltation that was indefinable; a strange fantastical mind; what a strange sense of humor she has
Definition: relating to or originating in or characteristic of another place or part of the world
Usage: foreign nations; a foreign accent; on business in a foreign city