He suffered from several health problems during his career, which worsened considerably after a fall in 2000.

But if this was systematic, then things had worsened considerably.

The outlook for the global economy has worsened considerably in recent months.

But others maintain that the situation will worsen considerably if not dealt with now.

By the mid-13th century, the problem had worsened considerably.

"Apparently conditions have worsened considerably during the past forty-eight hours."

By 1972, the situation in South Africa had worsened considerably.

With the introduction of rail transport, the situation worsened considerably.

But when she returned two hours later it was to find that Tasera had worsened considerably.

You must have realized her addiction has worsened considerably in the last few weeks.