open class

noun

A set of words in a given language that can readily gain new members.

Opposite
closed class
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Meanings

nounopen class (plural open classes)

plural open classes

  1. human sciencesA set of words in a given language that can readily gain new members.

    Antonyms: closed class

Synonyms & antonyms

nounA set of words in a given language that can readily gain new members.

Opposite
closed class
Cite this entry
APA

open class. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/open%20class

MLA

“open class.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/open%20class. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “open class,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/open%20class.

Source: open class on Wiktionary, CC BY-SA 4.0.