1.Definition: away from the outer edge

"The inside lane"

2.Definition: being or applying to the inside of a building

"An inside wall"

3.Definition: confined to an exclusive group

"Inside information"

Related Adjective(s):inner, privileged

4.Definition: relating to or being on the side closer to the center or within a defined space

"He reached into his inside jacket pocket", "Inside out", "An inside pitch is between home plate and the batter"