Definition of activity noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ækˈtɪvəti//
    ; NAmE NAmE//ækˈtɪvəti//
    (pl. activities)
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  1. 1  [uncountable] a situation in which something is happening or a lot of things are being done economic activity The streets were noisy and full of activity. Muscles contract and relax during physical activity. compare inactivity
  2. 2  [countable, usually plural] a thing that you do for interest or pleasure, or in order to achieve a particular aim leisure/outdoor/classroom activities The club provides a wide variety of activities including tennis, swimming and squash. illegal/criminal activities
  3. Word Originlate Middle English: from French activité or late Latin activitas, from Latin act- ‘done’, from the verb agere.Extra examples Here’s an activity you can do with mixed ability classes. His income was derived from criminal activity. It will only be possible to stimulate business activity with an injection of public funds. Newspapers report a higher level of activity in the foreign exchange markets. Police watched the house all day, but there was no sign of activity. Shopping is now a leisure activity. Teachers here are not allowed to engage in any political activity. The classroom was a hive of activity as the children prepared for the concert. The islands were formed by volcanic activity. The party’s activities have been suspended. The room was buzzing with activity. The scene was one of frenetic activity. There was a flurry of activity as the film star appeared on the balcony. They had engaged in sexual activity in the past three months. We suspect he may be involved in illegal activities. Economic activity has taken a downturn this year. The book contains plenty of ideas for classroom activities. They had been involved in a variety of criminal activities.
See the Oxford Advanced American Dictionary entry: activity