adj. 1. a. Located away from one's native country: on business in a foreign city.
b. Of, characteristic of, or from a place or country other than the one being considered: a foreign custom.
c. Conducted or involved with other nations or governments; not domestic: foreign trade.
2. Situated in an abnormal or improper place in the body and typically introduced from outside: a foreign object in the eye.
3. Not natural; alien: Jealousy is foreign to her nature.
4. Not germane; irrelevant.
5. Subject to the jurisdiction of another political unit.