Desperate to advance through the impossibly thick oncoming crowd, he noticed the handrails on either side, roughly two feet wide.

The jungle was impossibly thick, and Carlos was nowhere to be seen.

They went for their pistols, finding their arms moving slowly through impossibly thick air.

The world had become impossibly thick as everything slowed toward a halt.

His arms hung low, his head slanted forward on an impossibly thick neck.

Structural strength requirements in the boiler shell make this impractical; it becomes impossibly thick and heavy.

Although the plot is impossibly thick with intrigue and danger, true believers who go along for the ride will hate to see it end.

It consisted of a row of impossibly thick iron bars set only four feet away from the stone walls.

No good reason at all, but blood is impossibly thick.

With nothing around him but blank stone walls, impossibly thick, and on the floor the bones of unfortunates who had preceded him?