Rand's search widened quickly, beyond any possible range of a human arm.

The gap between the 5th and 6th Armies quickly widened to forty miles.

Cato worked with renewed frenzy and the gap quickly widened.

The mine consists of a contorted corridor that widens quickly.

This narrow area quickly widens into a large blotch.

The mine consists of a corridor that quickly widens into a secondary blotch.

Mark quickly widened the hole, then climbed up through it.

But the slope quickly widens and the second half can be glorious.

The staircase was narrowest at its bottom, and it widened quickly as they climbed.

A bright vertical line appeared in the air, widening quickly into an opening the size of a large doorway.