inside

The inside surface of the cup is unpainted.

Because of the tighter bend, it's harder to run in an inside lane.

The reporter had received inside information about the forthcoming takeover.

But the terms normally used to distinguish a man's resident and absent children are "inside" and "outside," the reference being to the home where the common father dwells. Only rarely will a man describe his "inside" children born out of out of wedlock as "lawful," …

The first pitch is ... just a bit inside.

the inside lane of the motorway