activity

play
noun ac·tiv·i·ty \ak-ˈti-və-tē\

Definition of activity

plural

activities

  1. 1 :  the quality or state of being active :  behavior or actions of a particular kind <physical activity> <criminal activity> <economic activity>

  2. 2 :  vigorous or energetic action :  liveliness <a scene of excitement and activity>

  3. 3 :  natural or normal function: such asa :  a process (such as digestion) that an organism carries on or participates in by virtue of being aliveb :  a similar process actually or potentially involving mental function; specifically :  an educational procedure designed to stimulate learning by firsthand experience

  4. 4 :  an active force

  5. 5a :  a pursuit in which a person is active <business activities> <social activities>b :  a form of organized, supervised, often extracurricular recreation <The camp offers hiking, swimming, and other activities.>

  6. 6 :  an organizational unit for performing a specific function; also :  its function or duties <the restaurant inspection activity of the health department>

Examples of activity in a sentence

  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.

Origin and Etymology of activity

see active


First Known Use: 15th century



ACTIVITY Defined for English Language Learners

activity

play
noun ac·tiv·i·ty \ak-ˈti-və-tē\

Definition of activity for English Language Learners

  • : 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


ACTIVITY Defined for Kids

activity

play
noun ac·tiv·i·ty \ak-ˈti-və-tē\

Definition of activity for Students

plural

activities

  1. 1 :  energetic action <There is always activity around the holidays.>

  2. 2 :  something done especially for relaxation or fun <Summer camp provides a variety of activities for kids.>


Medical Dictionary

activity

play
noun ac·tiv·i·ty \ak-ˈtiv-ət-ē\

Medical Definition of activity

plural

activities

  1. 1:  natural or normal function: asa:  a process (as digestion) that an organism carries on or participates in by virtue of being aliveb:  a similar process actually or potentially involving mental function; specifically :  an educational procedure designed to stimulate learning by firsthand experience

  2. 2:  the characteristic of acting chemically or of promoting a chemical reaction <the activity of a catalyst>



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