Definition of activity
- business activities
- social activities
- The camp offers hiking, swimming, and other activities.
- the restaurant inspection activity of the health department
The holidays always set off a lot of activity in our home.
the sexual activity of married couples
The police are now monitoring criminal activity in the area.
She gets at least 30 minutes of physical activity every day.
The instruments are used to detect volcanic activity on the island.
We planned an activity for the children.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'activity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: the state of being active : behavior or actions of a particular kind
: something that is done as work or for a particular purpose
: something that is done for pleasure and that usually involves a group of people
What made you want to look up activity? Please tell us where you read or heard it (including the quote, if possible).
to pay off by making regular payments
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