Wiktionary
n. A very busy place.
Usage examples of "hive of activity".
This new world, preternaturally still only moments before, now seemed a hive of activity.
Even from the road beneath the ramparts it seemed a veritable hive of activity—.
The V'ornn regent's palace in Axis Tyr, once the Ramahan Middle Palace, was a seething hive of activity.
Even from the road beneath the ramparts it seemed a veritable hive of activity-more so than when she had left.
The streets twist and turn, at every angle a fresh hive of activity.
A look at message traffic over the past forty-eight hours turns up a hive of activity between Queal's office and a section of the Pentagon that handles FAST operations, headed by a Colonel Winter.
The gates of the stockade were open and the bath-house constructed by Asayaga's men within days after their arrival was a hive of activity, smoke billowing from the chimney, a swarm of naked men spilling out of the doorway, laughing, jumping into the slushy snow Gregory, who looked almost bear like in their midst, bellowing from the shock.
As they walked down the steps from the schoolroom and out of the dormitory, he noticed as if for the first time what a veritable hive of activity the great monastery had become.
This one was much bigger than the place where Centauri had parked his ship, and a hive of activity.