Word.ws English Dictionary

Plural of species

irregular plural

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

Forms of species

Singularspecies /ˈspiːʃiːz/
Pluralspecies /ˈspiːʃiːz/
Countablecountable and uncountable

Less standard forms: specieses (nonstandard).

Meaning of species

  1. noun A type or kind. (Compare race.).
  2. noun A group of sexually reproducing organisms of which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction, usually having similar appearance.
  3. noun A category in the classification of organisms, ranking below genus; a taxon at that rank.

Full definition of species

Plural the same as the singular

Questions about the plural of species

What is the plural of species?
The plural of species is species, the same as the singular.
Is species countable?
Species is a countable and uncountable noun.
Is specieses correct?
specieses is marked nonstandard in Wiktionary. The usual plural of species is species.

Source and license

Adapted from Wiktionary: species (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 species.” Word.ws, https://word.ws/plural/species. Based on Wiktionary, CC BY-SA 4.0.