Definition of internal (adjective)
- happening or arising or located within some limits or especially surface
- "internal organs"; "internal mechanism of a toy"; "internal party maneuvering"
- antonym: external
- occurring within an institution or community
- "intragroup squabbling within the corporation"
- synonyms: intragroup
- inside the country
- located inward
- innermost or essential
Source: Princeton University Wordnet