1. Relating to, situated on, or joined with the outer part of something: Rainwater is collected from the external surface of the roof of Jim's house and is saved in big barrels for watering his garden.
2. Concerning something that is appropriate for putting on the outside of items, such as paint, etc.: Sharon decided to use varnish on the external part of the cabinet which she was renovating.
3. Pertaining to something suitable or designed for use only on the outside or surface of something, especially the body: The medicine in Troy's cabinet was divided into two small containers; one for external treatment and the other one for internal medication.
4.Descriptive of someting existing outside the body and the mind: Some people think there might be alien or external beings which could invade the Earth!
5. Referring to something affecting or entering from the outside: There were too many external pressures in Harry's job which motivated him to apply for employment in another town.
6. Of or relating chiefly to outward appearance; superficial: Stacy's father told her, “Remember, darling, the external factors of a person are never so important as the internal values that a person holds and lives by."
7. Of or relating to foreign affairs or foreign countries: Some members of parliament appealed to Britain's minister of external affairs for aid in helping the refugees who were fleeing for their lives.