Word.ws English Dictionary

Plural of jellyfish

irregular plural

The plural of jellyfish is jellyfish or jellyfishes.

Forms of jellyfish

Singularjellyfish /ˈd͡ʒɛliˌfɪʃ/
Pluraljellyfish /ˈd͡ʒɛliˌfɪʃ/
jellyfishes
Countablecountable and uncountable

Jellyfishes in a sentence

  • Most dendronotaceans do, however, feed on cnidarians, ranging from hydroids to sea anemones, sea whips, and sea pens, and scyphistomas of scyphozoan jellyfishes.1990, Eugene N. Kozloff, Invertebrates, page 411. From the entry dendronotacean

Meaning of jellyfish

  1. noun An almost transparent aquatic animal; any one of the acalephs, especially one of the larger species, having a jellylike appearance.
  2. noun Any of various species of cnidarians in the subphylum Medusozoa, including box jellyfish (class Cubozoa), true jellyfish (class Scyphozoa), stalked jellyfish (class Staurozoa), and certain hydrozoans.
  3. noun The medusa phase of these animals rather than a younger life stage.

Full definition of jellyfish

Plural the same as the singular

Questions about the plural of jellyfish

What is the plural of jellyfish?
The plural of jellyfish is jellyfish or jellyfishes.
Is jellyfish countable?
Jellyfish is a countable and uncountable noun.

Source and license

Adapted from Wiktionary: jellyfish (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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