Each minute, he reckoned, about three hundred and fifty pounds of iron, travelling at unimaginably high velocities, would hammer into the city wall.

Later that day, I went to see a man who is perhaps Iran's most famous and most endangered dissident, for whom the stakes of Ahmadinejad's victory were unimaginably high.

All the players in Poland's political sweepstakes face this unnerving situation: The stakes are unimaginably high, the game has never been played before and no one knows the rules.

Day after day the cruisers sped hither and thither throughout the vast reaches of the void, at the peak of their unimaginably high pace, without finding a trace of any Boskonian vessel.

Cosmic ray particles exist with unimaginably high energy contents, yet though their mass climbs high indeed, their speeds never quite reach that of light in a vacuum.

Another wondered, "What was the aim behind the creation of a new religious culture with its own monumental shrines constructed at unimaginably high costs with masses of people laboring for decades under the most severe conditions?"

And the answer to that plea is the elevation of the young cleric to an unimaginably high place in the American pantheon.

Indomitably, relentlessly, the Gray Lensman held his offense upon that unimaginably high level; his Lens flooding the room with intensely coruscant polychromatic light.

They soared upward, startled, and, following them with my gaze, I saw again the unimaginably high peaks above us-a day's climb, at least.

Government spending would need to reach unimaginably high levels.