activity

noun
ac·​tiv·​i·​ty | \ ak-ˈti-və-tē How to pronounce activity (audio) \
plural activities

Definition of activity

1 : the quality or state of being active : behavior or actions of a particular kind physical activity criminal activity economic activity
2 : vigorous or energetic action : liveliness a scene of excitement and activity
3 : natural or normal function: such as
a : a process (such 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
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 : an organizational unit for performing a specific function also : its function or duties the restaurant inspection activity of the health department

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Examples of activity in a Sentence

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.
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Recent Examples on the Web

The editors lay it on thick with Colton, interlacing all of their activities in Portugal (making out! Amanda Mitchell, Marie Claire, "'The Bachelor' Recap: The Fence, It Hath Been Jumped," 5 Mar. 2019 Read on and then plan your other springtime activities. Blake Bakkila, Good Housekeeping, "The Full Schedule of Spring TV Shows and Premiere Dates That You Need to Watch," 1 Mar. 2019 On a more positive EA note, BioWare confirmed this week (via Polygon) that Anthem will have matchmaking for any and all activities in the game. Hayden Dingman, PCWorld, "This week in games: Call of Duty's battle royale is free-to-try, Steam moved 15 exabytes of data in 2018," 18 Jan. 2019 In March, Uber was forced to drastically scale back its testing activities after an Uber vehicle hit and killed a pedestrian in Tempe, Arizona. Timothy B. Lee, Ars Technica, "The hype around driverless cars came crashing down in 2018," 30 Dec. 2018 These enthusiasts gather on Tumblr to buy new Furbys, to get parts from each other, and to commission fanart of their toys, but mostly just to post about their daily activities. Kaitlyn Tiffany, Vox, "Every Furby gets a home," 21 Dec. 2018 The challenge is creating components of logic circuits that work reliably without interference from the natural activity in cells, and that don’t rob cells of too much energy or too many resources. Eric Smalley, Discover Magazine, "Cellular Cyborgs: How Programmable DNA Strands Might Control Healing," 25 Sep. 2018 Patients rotate through each location and participate in activities based on their abilities. Liz Stinson, Curbed, "Fake ’50s town offers real benefits for people with dementia," 20 Sep. 2018 Russia, under sanction for the occupation of the Crimea and other activities by NATO and the United States, is also likely having trouble sourcing parts. Kyle Mizokami, Popular Mechanics, "Russia to Receive First New 'Armata' Tanks in 2019," 13 Feb. 2019

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.

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First Known Use of activity

15th century, in the meaning defined at sense 1

History and Etymology for activity

Middle English actyvete "active life," borrowed from Middle French & Medieval Latin; Middle French activité "power of acting, exercise of this power," borrowed from Medieval Latin āctīvitāt-, āctīvitās (Late Latin, "active form of a verb"), from Latin āctīvus active entry 1 + -itāt-, -itās -ity

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Learn More about activity

Statistics for activity

Last Updated

13 Mar 2019

Look-up Popularity

Time Traveler for activity

The first known use of activity was in the 15th century

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More Definitions for activity

activity

noun

English Language Learners Definition of activity

: 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

noun
ac·​tiv·​i·​ty | \ ak-ˈti-və-tē How to pronounce activity (audio) \
plural activities

Kids Definition of activity

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.

activity

noun
ac·​tiv·​i·​ty | \ ak-ˈtiv-ət-ē How to pronounce activity (audio) \
plural activities

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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Comments on activity

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