Glass-Steagall's demarcations have been gradually crumbling since the 1970's, a process that is expected to continue.

In winter many of the waterfalls freeze up, and in spring they gradually crumble apart loudly thundering the entire valley.

The city of Akhetaten gradually crumbled back into the desert.

But the building is gradually crumbling away, and the local council says it's powerless to do anything about it.

As a consequence many ancient tombs gradually crumbled and memorials were removed or rendered illegible by exposure to the weather.

Events proceed in real time in all sectors as defenses gradually crumble.

The moat and Hall gradually crumbled away and became a mere, which was only filled in 20th century.

The old Lombard aristocracy was gradually crumbling away except in the far north and the distant south.

At this time Ellis' faith in psychoanalysis was gradually crumbling.

You can see him wobbling and gradually crumbling.