Another human colony at some unimaginably vast distance across the galaxy.

The history behind him seems unimaginably vast, with an uncertain future ahead and himself at the cusp, a young hero on a desperate quest.

And why was the unimaginably vast salt mine all but sealed off and abandoned?

After descending many miles, following the course of the Hansbach, they reach an unimaginably vast cavern.

Of lawfulness reigning indefinitely through time and over unimaginably vast regions of space.

If a school for girls is a miracle, then the cultural distance between America and Afghanistan is unimaginably vast.

They seemed to be coming from an enormous distance, across an unimaginably vast chasm.

This is an unimaginably vast sea of stars of many colours.

I believe the universe is sort of like an unimaginably vast musical with an infinite number of strings.

Her voice sounded small and forlorn, lost in some unimaginably vast space.