invariant noun

noun

A noun in which number is not marked; that is, a noun which does not change form in the plural, such as, in English, fish and series.

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Meanings

nouninvariant noun (plural invariant nouns)

plural invariant nouns

  1. grammarA noun in which number is not marked; that is, a noun which does not change form in the plural, such as, in English, fish and series.
Cite this entry
APA

invariant noun. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/invariant%20noun

MLA

“invariant noun.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/invariant%20noun. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “invariant noun,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/invariant%20noun.

Source: invariant noun on Wiktionary, CC BY-SA 4.0.