Jellyfish Meaning: Definition, Examples, and Translations

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jellyfish

[ˈdʒɛlɪˌfɪʃ ]

Definition

Context #1 | Noun

sea creature

A jellyfish is a marine animal with a soft, gelatinous body and tentacles that are used for capturing prey. Jellyfish are found in oceans all over the world and come in a variety of sizes and colors.

Synonyms

jellies, medusas, sea jellies.

Which Synonym Should You Choose?

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Word Description / Examples
jellyfish

Commonly used in scientific contexts, general conversations, and educational materials. It refers to the marine animals known for their gelatinous bodies and sting.

  • We saw a jellyfish while snorkeling.
  • Jellyfish populations are increasing in some areas due to climate change.
sea jellies

Used in both educational and conversational contexts to emphasize their marine nature. Often used in documentaries and educational programs about ocean life.

  • Sea jellies have a unique way of moving through water.
  • The aquarium has a new exhibit featuring sea jellies.
medusas

Primarily used in scientific contexts or in languages other than English (e.g., Spanish), referring to the same creature as a jellyfish. It's a more formal term.

  • Medusas can be found in oceans all around the world.
  • The scientific study of medusas reveals much about marine ecosystems.
jellies

A more casual or colloquial term often used in informal conversations, especially when talking to children or in a non-scientific setting.

  • Watch out for jellies when you're swimming!
  • Kids love learning about jellies because they look so cool.

Examples of usage

  • The jellyfish gracefully swam through the ocean.
  • Watch out for jellyfish stings while swimming in the sea.

Translations

To see the translation, please select a language from the options available.

Origin of 'jellyfish'

The word 'jellyfish' dates back to the 18th century, where 'fish' was used to describe any marine animal. The 'jelly' part comes from the jelly-like consistency of the creature. Jellyfish have been around for millions of years and play a vital role in marine ecosystems.


See also: jellies, jellify.