Though no physical boundaries separated the two groups, they did not interact often.

Apparently this was his first sexual experience with someone who broke all physical boundaries.

And they were eyes that knew no physical boundaries.

Instead, now the idea of an established government and physical boundaries also shaped what it meant to be a nation.

When they were together, even on the job, the physical boundaries of the universe seemed very small.

I also know that networks by their nature ignore physical boundaries.

In all sports there are rules, limits and physical boundaries.

Seattle's growth is limited by its physical boundaries, but the region continues to expand.

It is the real world, with boundaries both physical and bureaucratic, that sometimes gives him pause.

Nick never did have a clear idea of physical boundaries.