Dictionary

activity

noun ac·tiv·i·ty \ak-ˈti-və-tē\

: 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

plural ac·tiv·i·ties

Full Definition of ACTIVITY

1
:  the quality or state of being active
2
:  vigorous or energetic action :  liveliness
3
:  natural or normal function: as
a :  a process (as digestion) that an organism carries on or participates in by virtue of being alive
b :  a similar process actually or potentially involving mental function; specifically :  an educational procedure designed to stimulate learning by firsthand experience
4
:  an active force
5
a :  a pursuit in which a person is active
b :  a form of organized, supervised, often extracurricular recreation
6
:  an organizational unit for performing a specific function; also :  its function or duties

Examples of ACTIVITY

  1. The holidays always set off a lot of activity in our home.
  2. the sexual activity of married couples
  3. The police are now monitoring criminal activity in the area.
  4. She gets at least 30 minutes of physical activity every day.
  5. The instruments are used to detect volcanic activity on the island.
  6. We planned an activity for the children.

First Known Use of ACTIVITY

1530
ACTIVITIES Defined for Kids

activity

noun ac·tiv·i·ty \ak-ˈti-və-tē\
plural ac·tiv·i·ties

Definition of ACTIVITY for Kids

1
:  energetic action <There is always activity around the holidays.>
2
:  something done especially for relaxation or fun <Summer camp provides a variety of activities for kids.>
Medical Dictionary

activity

noun ac·tiv·i·ty \ak-ˈtiv-ət-ē\
plural ac·tiv·i·ties

Medical Definition of ACTIVITY

1
:  natural or normal function: as a :  a process (as digestion) that an organism carries on or participates in by virtue of being alive b :  a similar process actually or potentially involving mental function; specifically :  an educational procedure designed to stimulate learning by firsthand experience
2
:  the characteristic of acting chemically or of promoting a chemical reaction <the activity of a catalyst>

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