Meaning of ACTIVITY in English
n. 25B6; noun
there was a lot of activity in the area : BUSTLE, hustle and bustle, busyness, action, liveliness, movement, life, stir, flurry; happenings, occurrences, proceedings, events, incidents; informal toing and froing, comings and goings.
a wide range of activities : PURSUIT, occupation, interest, hobby, pastime, recreation, diversion; venture, undertaking, enterprise, project, scheme, business, entertainment; act, action, deed, exploit.
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012