see also: CLASS
  • (RP, Ireland, New England , Scotland, Northern England) enPR: kläs, IPA: /klɑːs/, /klas/, /klæs/
  • (America, New York) enPR: klăs, IPA: /klæs/, /kleəs/


  1. (countable) A group, collection, category or set sharing characteristics or attributes.
    The new Ford Fiesta is set to be best in the 'small family' class.
    That is one class-A heifer you got there, sonny.
    Often used to imply membership of a large class.
    This word has a whole class of metaphoric extensions.
  2. (sociology, countable) A social grouping, based on job, wealth, etc. In Britain, society is commonly split into three main classes; upper class, middle class and working class.
  3. (uncountable) The division of society into classes.
    Jane Austen's works deal with class in 18th-century England.
  4. (uncountable) Admirable behavior; elegance.
    Apologizing for losing your temper, even though you were badly provoked, showed real class.
  5. (education, countable and uncountable) A group of students in a regularly scheduled meeting with a teacher.
    The class was noisy, but the teacher was able to get their attention with a story.
  6. A series of lessons covering a single subject.
    I took the cooking class for enjoyment, but I also learned a lot.
  7. (countable) A group of students who commenced or completed their education during a particular year. A school class.
    The class of 1982 was particularly noteworthy.
  8. (countable) A category of seats in an airplane, train or other means of mass transportation.
    I used to fly business class, but now my company can only afford economy.
  9. (taxonomy, countable) A rank in the classification of organisms, below phylum and above order; a taxon of that rank.
    Magnolias belong to the class Magnoliopsida.
  10. Best of its kind.
    It is the class of Italian bottled waters.
  11. (statistics) A grouping of data values in an interval, often used for computation of a frequency distribution.
  12. (set theory) A collection of sets definable by a shared property.
    The class of all sets is not a set.
    Every set is a class, but classes are not generally sets. A class that is not a set is called a proper class.
    • 1973, Abraham Fraenkel, Yehoshua Bar-Hillel, Azriel Lévy, Foundations of Set Theory, Elsevier, 2nd Edition, page 119 ↗,
      In the present section we shall discuss the various systems of set theory which admit, beside sets, also classes. Classes are like sets, except that they can be very comprehensive; an extreme example of a class is the class which contains all sets. […] The main point which will, in our opinion, emerge from this analysis is that set theory with classes and set theory with sets only are not two separate theories; they are, essentially, different formulations of the same underlying theory.
  13. (military) A group of people subject to be conscripted in the same military draft, or more narrowly those persons actually conscripted in a particular draft.
  14. (object-oriented, countable) A set of objects having the same behavior (but typically differing in state), or a template defining such a set.
    an abstract base class
  15. One of the sections into which a Methodist church or congregation is divided, supervised by a class leader.
Synonyms Translations Translations Translations Translations Translations Translations Translations Translations Translations Translations Translations Verb

class (classes, present participle classing; past and past participle classed)

  1. (transitive) To assign to a class; to classify.
    I would class this with most of the other mediocre works of the period.
  2. (intransitive) To be grouped or classed.
    • the genus or family under which it classes
  3. (transitive) To divide into classes, as students; to form into, or place in, a class or classes.
  • Russian: классифици́ровать

class (not comparable)

  1. (Irish, British, slang) great; fabulous
Related terms
Proper noun
  1. (astronomy) Abbreviation of cosmology#English|Cosmology large#English|Large angular#English|Angular scale#English|Scale surveyor#English|Surveyor.
  2. (astronomy) Abbreviation of cosmology#English|Cosmology large#English|Large angular#English|Angular scale#English|Scale survey#English|Survey.

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