Word.ws English Dictionary

Plural of koi

irregular plural

The plural of koi is koi, the same as the singular.

Forms of koi

Singularkoi /kɔɪ/
Pluralkoi /kɔɪ/
Countablecountable

Meaning of koi

  1. noun Ornamental domesticated varieties of the Amur carp (Cyprinus rubrofuscus), of Japan and eastern Asia with red-gold or white coloring.

Full definition of koi

Plural the same as the singular

Questions about the plural of koi

What is the plural of koi?
The plural of koi is koi, the same as the singular.
Is koi countable?
Koi is a countable noun.

Source and license

Adapted from Wiktionary: koi (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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Cite this page: “Plural of koi.” Word.ws, https://word.ws/plural/koi. Based on Wiktionary, CC BY-SA 4.0.