hive of activity
A very busy place.
As more and more people arrived, the office became a hive of activity.
ADJ
frantic, frenetic, heightened, increased, intense | criminal, illegal, subversive, terrorist | classroom, group | extra-curricular, leisure, leisure-time, outdoor, recreational, social | mental, physical, sexual | business, commercial, cultural, economic, industrial, intellectual, political, scientific | government, military, police, union | human | electrical, geological, volcanic
QUANT
burst, flurry
After the announcement, a burst of activity filled the office as everyone rushed to prepare for the event.
level
There was a low level of activity at the shopping mall on Tuesday morning.
VERB + ACTIVITY
do
The children did a fun activity at the community center last weekend.
be involved in, engage in, participate in, take part in, undertake
The children participated in various outdoor activities during their summer camp.
stop, suspend, terminate
The factory had to stop all activity after the safety inspection found serious problems.
stimulate
The new sports program helped stimulate physical activity among teenagers in the community.
curb | resume
buzz with
The marketplace buzzed with activity as vendors opened their stalls early in the morning.
PHRASES
a hive of activity
a sign of activity
The doctor was pleased to see signs of activity in the patient's brain scans.