Word.ws English Dictionary

Plural of class

regular plural

The plural of class is classes.

Forms of class

Singularclass /klɑːs/
Pluralclasses /ˈklɑːsɪz/
Countablecountable and uncountable

Classes in a sentence

  • Every set is a class, but classes are not generally sets. A class that is not a set is called a proper class.
  • In the present section we shall discuss the various systems of set theory which admit, beside sets, also classes.1973, Abraham Fraenkel, Yehoshua Bar-Hillel, Azriel Lévy, Foundations of Set Theory, 2nd edition, Elsevier, page 119
  • We need to obfuscate these classes before we ship the final release.From the entry obfuscate
  • Another unsolicited maths take: talking about quotients in terms of "equivalence classes" or cosets is really unnatural.From the entry take
  • He has a bad aim, so he decided to join archery classes.From the entry aim

Meaning of class

  1. noun A group, collection, category or set sharing characteristics or attributes.
  2. noun 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. noun The division of society into classes.

Full definition of class

Questions about the plural of class

What is the plural of class?
The plural of class is classes.
Is class countable?
Class is a countable and uncountable noun.

Source and license

Adapted from Wiktionary: class (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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