What is "unbridgable"

Usage examples of "unbridgable".

Since becoming a roadrunner he had discovered that, in Ne-Issan, the unbridgable gulf between the various clans had been forcibly broken down.

But you have defied the laws of life and death -- you have refused to die and now that we meet again at last a hundred thousand years lie between us -- an unbridgable gulf across which I may not return and over which you may not come other than by the same route which I have followed -- through death and a new life thereafter.