The river gradually broadened until it extended a hundred yards across.

Mr. Bush has also been trying to gradually broaden his base.

It gradually broadened this focus to include literature from Asia and Africa as well.

The valley gradually broadens until it opens out on to low-lying ground closer to the sea.

Eight gives an idea of growing prosperous, because the letter (八) broadens gradually.

The mine consists of a gradually broadening linear tract, sometimes straight, but often bent back on itself toward the end.

As the needs of its students changed, Mission House gradually broadened its purpose.

The Angis is a spire, broadening gradually as we descended.

Under many different names, it gradually broadened its politics from a focus on women's suffrage to eventually become a left communist grouping.

She looked directly ahead once more and the half-smile returned, gradually broadening until her face showed only rapturous wonder.