General Definition: 1. To go from one side of a barrier, wall or other such structure, to the other side, or any action or any thing directly or indirectly associated with this, especially being inside of something. As a Noun: 1. The part of a container or building which is surrounded by its sides (a fence, wall or other enclosure). English = inside. As a Verb or Adjective: 1. To be in that part of a container, room, or building which is surrounded by its sides (such as a fence, wall or other enclosure). English = (be) inside. 2. To go from the outside to the inside of some container or building. English = go inside. 3. To happen, come from, or exist inside a place, person, or area of activity. English = (be) internal. As Modifier: 1. Used immediately next to a verb to mean the direction someone or something moves, from outside to inside. English = inside.