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IELTS BNC: 412 COCA: 537


activity /ækˈtɪvəti/ noun
plural activities
plural activities
Learner's definition of ACTIVITY
[noncount] : the state of being active热闹状况;活跃的气氛
: behavior or actions of a particular kind活动;行动;行为
[count] : something that is done as work or for a particular purpose活动;工作usually plural通常用复数
[count] : something that is done for pleasure and that usually involves a group of people消遣活动;集体娱乐活动
usually plural通常用复数
IELTS BNC: 412 COCA: 537



ac·​tiv·​i·​ty ak-ˈti-və-tē How to pronounce activity (audio)
plural activities
: the quality or state of being active : behavior or actions of a particular kind
physical activity
criminal activity
economic activity
: vigorous or energetic action : liveliness
a scene of excitement and activity
: natural or normal function: such as
: a process (such as digestion) that an organism carries on or participates in by virtue of being alive
: a similar process actually or potentially involving mental function
specifically : an educational procedure designed to stimulate learning by firsthand experience
: an active force
: a pursuit in which a person is active
business activities
social activities
: a form of organized, supervised, often extracurricular recreation
The camp offers hiking, swimming, and other activities.
: an organizational unit for performing a specific function
also : its function or duties
the restaurant inspection activity of the health department

Example Sentences

The holidays always set off a lot of activity in our home. the sexual activity of married couples The police are now monitoring criminal activity in the area. She gets at least 30 minutes of physical activity every day. The instruments are used to detect volcanic activity on the island. We planned an activity for the children. See More
Recent Examples on the Web The fire was 65% contained Wednesday, with minimal activity. Bradford Betz, Fox News, 8 Sep. 2022 Orlando and other investors had campaigned heavily in recent days to marshal enough shareholder support, including on Truth Social, a Twitter clone that has faced technical issues and low activity in the six months since its launch. Drew Harwell, Washington Post, 8 Sep. 2022 Gambling activity on the Super Bowl last year reached record highs, according to gambling operators and state regulators. Katherine Sayre, WSJ, 8 Sep. 2022 The Greenbriar Commons pool venue, which features a lap pool, diving area, children’s activity pool and dual water slides, closed on Labor Day. John Benson, cleveland, 8 Sep. 2022 Apopka’s police chief said last month his department and OCPS had been working for several years to address the problems and that both are committed to safety and to reporting any criminal activity on campuses. Leslie Postal, Orlando Sentinel, 7 Sep. 2022 There is overwhelming scientific evidence that climate change is real, is fueled by human activity and is intensely impacting environments in Kentucky and across the world. Morgan Watkins, The Courier-Journal, 7 Sep. 2022 Nettleman had proof after calling the financial institution directly, where no record for the old debt or collection activity existed. Susan Tompor, Detroit Free Press, 7 Sep. 2022 Scientists will use the more than 160 parallel ridges – described as rib-like formations – to examine Thwaites’ historical activity and make predictions about its future possible movement, according to Graham. Ashley R. Williams, USA TODAY, 7 Sep. 2022 See More

Word History


Middle English actyvete "active life," borrowed from Middle French & Medieval Latin; Middle French activité "power of acting, exercise of this power," borrowed from Medieval Latin āctīvitāt-, āctīvitās (Late Latin, "active form of a verb"), from Latin āctīvus active entry 1 + -itāt-, -itās -ity

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of activity was in the 15th century
IELTS BNC: 412 COCA: 537


ADJECTIVE | ... OF ACTIVITY | VERB + ACTIVITY | PHRASES ADJECTIVEfrantic, frenetic, heightened, increased, intense亂作一團的/瘋狂的/越來越激烈的/增強的/劇烈的活動The scene was one of frenetic activity.現場一片狂亂。criminal, illegal, subversive, suspicious, terrorist犯罪/非法/顛覆/可疑的/恐怖活動His income was derived from criminal activity.他的收入來自犯罪活動。class, classroom, group班級/課堂/小組活動after-school, extra-curricular, leisure, leisure-time, outdoor, recreational, social課後/課外/休閒/業餘時間/戶外/娛樂/社交活動Shopping is now a leisure activity.現在購物是一項休閒活動。mental, physical, sexual腦力活動;體力活動;性行為They had engaged in sexual activity in the past three months.過去的 3 個月中他們有過性行為。aerobic, strenuous有氧/劇烈運動business, commercial, cultural, economic, industrial, intellectual, political, scientific商務/商業/文化/經濟/工業/智力/政治/科學活動government, military, police, union政府/軍事/警方/工會行動human人類活動electrical, seismic, volcanic電活動;地震活動;火山活動The islands were formed by volcanic activity.這些島嶼是由火山活動形成的。... OF ACTIVITYburst, flurry一陣突然的活動;一陣突然的頻繁活動There was a flurry of activity as the movie star appeared on the balcony.那名影星在戲院樓座上一露面就引發了一陣騷動。level活躍程度Newspapers report a higher level of activity in the foreign-exchange markets.報紙報道說外匯市場活動轉趨活躍。VERB + ACTIVITYconduct, do, perform進行活動;採取行動Here's an activity you can do with mixed-ability classes.這裏有一項活動,你可以在學生能力參差不齊的班級裏做。be involved in, engage in, participate in, take part in, undertake牽涉進/從事/參加/參與/着手某項活動We suspect he may be involved in illegal activities.我們懷疑他可能從事非法活動。Teachers here are not allowed to engage in any political activity.這兒的教師不准參加任何政治活動。stop, suspend, terminate停止/暫停/終止活動The party's activities have been suspended.該黨的活動已經暫時中止。stimulate促進⋯活動It will only be possible to stimulate business activity with an injection of public funds.只有注入公共資金才有可能刺激商業活動。curb, inhibit抑制/阻礙活動coordinate, regulate協調/調節活動measure, monitor測量/監控活動resume恢復活動bustle with, buzz with到處是嘈雜的活動聲;充滿嘈雜的活動聲The room was buzzing with activity.房間裏鬧哄哄的。PHRASESa hive of activity (= a very busy place) 繁忙的活動場所The classroom was a hive of activity as the children prepared for the concert.孩子們在為音樂會做準備時,整個教室忙作一團。a sign of activity活動跡象Police watched the house all day, but there was no sign of activity.警察整日監視着這所房子,卻未發現任何活動跡象。

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