activity Definition in the Cambridge English Dictionary
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Definition of “activity” - English Dictionary

Definition of "activity" - American English Dictionary

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activitynoun [C/U]

 us   /ækˈtɪv·ɪ·t̬i/
the doing of something, or something that you are doing, have done, or could do: [C] There were ​lots of activities for ​children at the ​museum. [C] Her ​favorite activity is ​visitingantiqueshops. [U] Carbon ​dioxide is also ​produced by ​human activity.
(Definition of activity from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "activity" - British English Dictionary

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activitynoun

uk   /ækˈtɪv.ɪ.ti/  us   /-ə.t̬i/

activity noun (MOVEMENT)

B2 [U] the ​situation in which a lot of things are ​happening or ​people are ​moving around: There was a lot of activity in ​preparation for the Queen's ​visit. Economists are ​concerned by the ​lowlevel of economic activity. There was a ​sudden flurry of activity when the ​directorwalked in.
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activity noun (WORK)

B2 [C or U] the ​work of a ​group or ​organization to ​achieve an ​aim: He was ​foundguilty of terrorist activity. criminal activities
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activity noun (ENJOYMENT)

A2 [C usually plural] something that is done for ​enjoyment, ​especially an ​organizedevent: His spare-time activities ​includecooking, ​tennis, and ​windsurfing. We ​offerourguests a ​widerange of ​outdoor/​sporting activities.
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(Definition of activity from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "activity" - Business English Dictionary

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activitynoun

uk   us   /ækˈtɪvəti/
[U] a ​situation in which a lot of things are ​happening or being done: business/commercial/economic activity Any ​conflict has the ​potential to ​disruptbusiness activity. manufacturing/​marketing/​trading activityboost/increase activity This ​package of ​taxcuts and ​spendingincreases is ​designed to ​boosteconomic activity over the next ​year. The ​increasedlevel of activity in our ​principalmarketsflattened out during the first half of this ​year.
[C, usually singular] the ​work of a ​person, ​group, or ​organization to ​achieve something, especially to make ​money: The company's activities ​stretch from Australia to the US. We ​invest primarily in ​companies which have their ​principal business activities in the Pacific Basin. manufacturing/​marketing/​management activities
(Definition of activity from the Cambridge Business English Dictionary © Cambridge University Press)
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