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English definition of “activity”

activity

noun [C or U] (WORK)    /ækˈtɪv.ɪ.ti/ US  /-ə.t̬i/
B2 the work of a group or organization to achieve an aim: He was found guilty of terrorist activity. criminal activitiesWork, working and the workplaceWorking hours and periods of work
(Definition of activity noun (WORK) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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