Word.ws English Dictionary

Plural of octopus

regular plural

The plural of octopus is octopuses.

Forms of octopus

Singularoctopus /ˈɒktəpʊs/
Pluraloctopuses
Countablecountable and uncountable

Less standard forms: octopusses (nonstandard), octopus (nonstandard).

Octopuses in a sentence

  • Even octopuses without stylets almost certainly retain the molecular machinery necessary to build them.2017, Danna Staaf, Squid Empire, ForeEdge, →ISBN, page 120
  • Octopuses and squids are examples of animals that have blue blood.From the entry blue blood
  • Based on the number of teeth ammonites had—nine—it's believed that their closest living kin are octopuses.2014, Elizabeth Kolbert, The Sixth Extinction: An Unnatural History, Picador, →ISBN, page 84. From the entry kin
  • The devilfishes, or octopuses, vary from 2 inches to 28 feet in spread.1951, Tracy I. Storer, General Zoology, New York, N.Y.; Toronto, ON; London: McGraw Hill, page 435. From the entry devilfish
  • Giant Pacific octopuses are semelparous, meaning they reproduce only once.2018 April 29, Killian Fox, The Observer. From the entry giant Pacific octopus

Meaning of octopus

  1. noun Any of several marine molluscs of the order Octopoda, having no internal or external protective shell or bone (unlike the nautilus, squid and cuttlefish) and eight arms each covered with suckers.
  2. noun A mollusc from genus Octopus.
  3. noun The flesh of these marine molluscs eaten as food.

Full definition of octopus

Questions about the plural of octopus

What is the plural of octopus?
The plural of octopus is octopuses.
Is octopus countable?
Octopus is a countable and uncountable noun.
Is octopusses correct?
octopusses is marked nonstandard in Wiktionary. The usual plural of octopus is octopuses.
Is octopus correct?
octopus is marked nonstandard in Wiktionary. The usual plural of octopus is octopuses.

Source and license

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