class Definition in the Cambridge English Dictionary
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Definition of “class” - English Dictionary

Definition of "class" - American English Dictionary

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classnoun

 us   /klæs/

class noun (TEACHING GROUP)

[C] a ​group of ​students who are ​taught together at ​school, or a ​shortperiod in which a ​particularsubject is ​taught: She got in ​trouble for ​talking in class. [C] The class of a ​particularyear is the ​group of ​students who will ​completetheirstudies that ​year: The class of 2003 is very ​large.

class noun (ECONOMIC GROUP)

[C/U] a ​group of ​people within a ​society who have the same ​economic and ​socialposition: [U] Most of us ​think of ourselves as ​middle class.

class noun (RANK)

[C] the ​ranking of ​goods and ​services or people’s ​skillsaccording to what they ​provide or how good they are: Whenever I ​fly, I go ​business class. She’s a ​first-classteacher.

class noun (STYLE)

[U] the ​quality of being ​stylish or ​fashionable: She ​dresses with a lot of class.

class noun (BIOLOGY)

biology [C] a ​group of ​plants or ​animals with ​similarbiologicalstructure
classy
adjective  us   /ˈklæs·i/
He ​drives a very classy ​car.

classverb [T]

 us   /klæs/

class verb [T] (RANK)

to ​rank: I would class her with the ​best American violinists.
(Definition of class from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "class" - British English Dictionary

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classnoun

uk   /klɑːs/  us   /klæs/

class noun (TEACHING GROUP)

A1 [C, + sing/pl verb] a ​group of ​students who are ​taught together at ​school, ​college, or ​university: Which class are you in this ​year? She gave the ​whole class ​extrahomework for a ​week. My class (= the ​people in my class) was/were ​rathernoisy this ​morning. [as form of address] Okay, class, ​settle down and ​openyourbooks.A1 [C, + sing/pl verb] a ​period of ​time in which ​students are ​taught something: My last class ​ends at four o'clock. I was told off for ​talking in class. Who takes/​teachesyourenvironmentalstudies class? I ​missed my ​aerobics class ​yesterday. Classes have been ​cancelled today because of a ​staffmeeting.the class of 2012, 2013, etc. mainly US a ​group of ​students who ​successfullyfinishedtheirstudies in a ​particularyear
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class noun (ECONOMIC GROUP)

B2 [C or U] a ​group of ​people within ​society who have the same ​economic and ​socialposition: The ​Labour Party has ​lost a lot of ​support among the working class. She ​belongs to the ​rich American upper class. We ​live in a middle class ​neighbourhood. She comes from an uppermiddle class ​background. He was a ​member of the ruling classes. She's ​studying the class structure of Japan.
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class noun (RANK)

A2 [C] a ​group into which ​goods, ​services, or ​people are put ​according to ​theirstandard: Whenever I ​travel by ​train, I always ​travel first class. first/second class ​mail a business/​economy class ​ticket When it comes to ​mathematics, he's in a different class to his ​peers. [C] in the UK, the ​standard that someone has ​reached in ​theiruniversitydegree: What class of ​degree did you get? He ​graduated with a ​second-classhonoursdegree in ​physics.class A/B/C drug in UK ​law, a ​group of ​illegaldrugsclassifiedaccording to how ​dangerous they are ​thought to be and how ​severe the ​punishment is for using or ​selling them, with class A the most ​dangerous : He was ​charged with ​possession of a class A ​drug, ​namelyheroin.be in a class of your own to be the ​best at a ​particularactivity: As a ​long-distancerunner, she's in a class of her own.be in a class by itself/of its own to be something of such a high ​quality that nothing can be ​compared to itbe out of your class to be much ​better at doing something than you: I can't ​playchess with him. He's ​completely out of my class!
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  • They always ​flyeconomy class.
  • Because of the ​delay, we were ​offeredseats in first class.
  • I'd like you to ​send this for me first class, ​please.
  • Most of the ​girls were good at ​drawing, but Jenny was in a class of her own.
  • When it comes to ​cooking, Jane's in a different class to the ​rest of us.

class noun (STYLE)

[U] the ​quality of being ​stylish or ​fashionable: She's got ​real class.

class noun (BIOLOGY)

[C] specialized biology a ​group of ​relatedplants or ​animals, in the ​general classification of ​plants and ​animals

classverb [T]

uk   /klɑːs/  us   /klæs/
C1 to ​consider someone or something to ​belong to a ​particulargroup because of ​theirqualities: I'm 17, but I'm still classed as a ​child when I ​travel by ​bus. I would class her among/with the ​top ten American ​novelists.

classadjective

uk   /klɑːs/  us   /klæs/ informal
very good: a class ​actUK He's a class ​golfer.
(Definition of class from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "class" - Business English Dictionary

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classnoun

uk   us   /klɑːs/
[C or U] a ​group of ​people within ​society who have the same ​economic or ​socialposition: As ​rentsincreased, working class families ​left the city in ​search of more ​affordableneighborhoods. upper/middle/​lower class
[C] COMMERCE a ​standardbased on ​price and ​quality: The ​planes will have reclining ​seats for ​customers in first class. She and her husband ​run a luxury-class ​holidayaccommodationbusiness.
[C] COMMERCE a ​group into which ​goods and ​services are put ​based on their characteristics: Your shipment's ​freight class ​determines the carrier's ​shippingcharges. a class of sth At ​issue is a class of ​mortgages that ​lenderscall "​subprime" because they do not ​qualify for the ​lowest or ​primeinterestrate.
[C] a ​series of lessons on a particular ​subject: a class in/on sth As ​part of a class in ​internationalrelations, the ​conferenceaimed to teach ​students the art of ​negotiations.enrol in a class And so that ​fall, I ​enrolled in an ​agribusinessmarketing class.take/go to/attend classes For the past two ​years he's been taking night classes while also ​workingfull-time as a nurse. hold/​offer/teach a class
(Definition of class from the Cambridge Business English Dictionary © Cambridge University Press)
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