1. located inside: located within or affecting the inside of something, especially the inside of the body internal organs
2. intended for use inside: effective when used or suitable for use inside something, especially inside the body
3. self-contained or self-generating: existing, evident in, or arising from the nature, structure, or qualities that somebody or something has internal cohesion
4. occurring within country: originating, operating, or located within a country's borders internal affairs
5. mental: involving or existing within the mind or spirit internal conflict
6. occurring within organization: working at or carried out within an organization or institution internal e-mail
[15th century. Directly or via French< medieval Latin internalis< Latin internus "inward, within" < inter (see inter-)]
