The river has since narrowed over the course of time.

It is also evident from the available data that these differences have narrowed over the years.

One year after quitting, the women did much better than the men, although the difference narrowed over the course of the study.

It is not a solitary life, but his circle has narrowed over time.

Its meaning has narrowed considerably over time (see also History below).

That gap in prize money had narrowed over the years.

Initially 10 companies had bid on the contract last year, but the field has been narrowed over the past several months.

For women without a college education, the pay gap with men has narrowed only slightly over the same span.

In people who smoke, the arteries that carry blood to the heart become narrowed over time.

Northwest and its pilots have narrowed their differences over concessions.