It was no longer unthinkable, though, which was certainly a large change.

To use such a weapon was virtually unthinkable, particularly over American territory.

And Relate is currently dealing with a divorce problem unthinkable in 1938.

It's unthinkable that a family with young children could be sleeping rough.

It's no longer unthinkable that Facebook could one day return to China.

The competition that had developed among the different races rendered it unthinkable.

A return to the old days of violence is an unthinkable scenario.

Perhaps it's time to start thinking the unthinkable and to move on?

Michael's answer would be unthinkable in swaths of Manhattan: He's doing wonderful.

Such a dialogue would have been unthinkable just a few weeks ago.

Now it's the idea that they could possibly go ahead that's unthinkable.

The family room held those just ambushed by the unthinkable and unforeseen.

A few weeks ago the unthinkable happened at Disneyland in Anaheim, California.

Then a space probe confirms the unthinkable: Rama is no natural object.

A risky event that was unthinkable three years ago now seems unstoppable.

The next hour, the next minute could make the unthinkable a reality.