America now faces a national security challenge of extraordinary complexity.

Top company bargainers said the delay in reaching an agreement was caused by the extraordinary complexity of the job security issue.

But the extraordinary complexity of the debate has been clear both on and off the buses.

Despite the extraordinary complexity and size of Delirium's stage, it could be assembled inside an arena in approximately nine hours.

As for its planning and preparation, this particular dance presentation involved factors of extraordinary complexity.

Though the charges had largely been expected, they highlighted the extraordinary complexity in sifting through mountains of paper to determine exactly what went wrong.

Perhaps it would have been better to tell us about the extraordinary complexities of the learning process.

The biology of the bite is one of extraordinary complexity.

It was overwhelming suddenly, the pure detail surrounding me; the extraordinary complexity of a single room.

That sequence inevitably created an escape problem of extraordinary complexity.