When the truly impossible was eliminated, then the improbable had to be possible.

Their lives are never easy, but they must be truly impossible in the midst of this invasion.

The trainers have assigned all the recruits a mission that is truly impossible.

Computing calories would be truly impossible for such places.

Shade might have smiled; it was truly impossible to say.

The back seat is truly impossible, both to enter and to get out of.

Oh, I don't mean every memory of the world we knew will disappear; that's truly impossible.

The man is presented with a choice, his body getting twisted and warped as he struggles to make a truly impossible decision.

Most of them acknowledge that they cannot, though a few say that nothing is truly impossible.