Even so, concert tonight is part of an unusually busy summer.

He had an unusually busy schedule for the evening.

He had been fortunate, the port was unusually busy.

Aside from the economy, the millennium has also contributed to an unusually busy season.

The high street was unusually busy for a place that has struggled in recent years, like so many, to maintain its centre.

The place seemed unusually busy for seven in the morning, but then, reporters on assignment don't sleep much.

There were also these other developments on an unusually busy day at the court.

The day had been an unusually busy one.

Also the moons of number 16 appeared to be unusually busy.

It was the third major outbreak of April 2006, which had been an unusually busy month for tornado activity.