The snow quickly deepened to six feet, but had stopped falling.

The couple were pen pals for about a year, and the relationship quickly deepened after they met in the fall of 1831.

The sky was dark green, quickly deepening into the gray of the momentary twilight.

It quickly deepened into her chest, and she was eventually diagnosed with tuberculosis.

The keyhole leads to a sudden increase in absorptivity quickly deepening the hole.

They were worn already on setting out, and their weariness quickly deepened.

The water was up to their ankles, and deepening quickly.

They meet at the general store and form a friendship that quickly deepens into a romance.

It deepened quickly, rising as he stepped into it.

We worked steadily and methodically and all too quickly the hole deepened.