(activities)
Frequency: The word is one of the 1500 most common words in English.
1.
Activity is a situation in which a lot of things are happening or being done.
...an extraordinary level of ~ in the government bonds market.
...the electrical ~ of the brain.
N-UNCOUNT
2.
An ~ is something that you spend time doing.
You can take part in activities from canoeing to bird watching.
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3.
The activities of a group are the things that they do in order to achieve their aims.
...a jail term for terrorist activities...
N-PLURAL: with supp