They will abide therein for an extremely long period of time. (without their punishment coming to an end)

It was the endless waiting that was getting to him.

From "Analysis Terminable and Interminable" (1937)

Since then it seems to have been an endless wait really.

Waiting for a response to a submission seems interminable.

From "Analysis Terminable and Interminable" (1937)

But for the complainant the wait has become interminable.

It's the beginning of his endless imprisonment...!

Central African Republic: A never-ending, unknown war

But within immortality, infinite pain is also contained.

Intangible, complex, and different for every individual.

You can see how the list of examples could be endless!

Russia raises specter of permanent or 'world war' if Syria talks fail

In a sign of how contained the Syrian conflict was/is, “Russia raises specter of interminable or 'world war' if Syria talks fail.

And at almost two hours this thing feels interminable.