Ahead of the 767's black nose, the clouds were rapidly thinning.

The mist was no longer full of darkness, but was white, and thinning rapidly.

Rupert moved off through the crowd which thinned rapidly and fell in behind him.

Here was another dense, though rapidly thinning crowd, in which she found no trace of Ilse.

The unfortunate chieftain saw himself daily stripped of power, and his ranks rapidly thinning around him.

Still too high for translation, but thinning rapidly.

Despite the rain, rapidly thinning gray clouds let through startlingly bright sunshine.

He ran a hand through his rapidly thinning brown hair.

This left only the rapidly thinning screen ahead with no reinforcements.

Few among the rapidly thinning late-afternoon crowd stopped to listen, but he continued without interruption.