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activity

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noun British English pronunciation: activity /ækˈtɪvəti/ 
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singularactivity
pluralactivities
  1. 1
    [uncountable] things that people do

    These environmental changes are the result of human activity.

    Economic activity was greater during the first part of the year.

    Airline staff should always be on the watch for criminal activity.

  2. 2
    [countable] [usually plural] something that someone does in order to achieve an aim

    Employees should not engage in political activities without a manager's permission.

    She coordinates the activities of all senior managers.

    We plan to expand our business activities in East Africa.

  3. 3
    [countable] something that you do because you enjoy it or because it is interesting

    Guests can enjoy plenty of activities, like swimming, surfing, and horse-riding.

    leisure activities

  4. 4
    [uncountable] a situation in which people are busy doing different things

    On Saturdays, there's always lots of activity in the streets.

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major on (doing) sth

to have or do a lot of something; to focus on a particular thing

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