Located away from one's native country: on business in a foreign city. Of, characteristic of, or from a place or country other than the one being considered: a foreign custom. Conducted or involved with other nations or governments; not domestic: foreign trade. Situated in an abnormal or improper place in the body and typically introduced from outside: a foreign object in the eye. Not natural; alien: Jealousy is foreign to her nature. Not germane; irrelevant. Subject to the jurisdiction of another political unit.