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noun Uncommon

jellyfish

JEH-lee-fihsh

Jellyfish (noun) means a soft-bodied, mostly transparent sea creature with a bell-shaped body and trailing tentacles, often capable of stinging. Example: “A jellyfish drifted past the swimmers, its tentacles trailing behind it.”

noun
1
A soft-bodied, mostly transparent sea creature with a bell-shaped body and trailing tentacles, often capable of stinging.
"A jellyfish drifted past the swimmers, its tentacles trailing behind it."
"She got stung by a jellyfish while wading in the shallows."

How to use jellyfish

Learner’s notes

In plain EnglishThe soft, see-through sea animal that can sting you with its tentacles.

Common mistake

Despite the name, jellyfish are not fish — they have no backbone, gills, or fins; they're more closely related to corals and anemones.

Common pairings
a jellyfish sting swarm of jellyfish jellyfish tentacles

Word forms

jellyfish plural, jellyfishes plural

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Test yourself on “jellyfish” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

A _____ drifted past the swimmers, its tentacles trailing behind it.

Etymology

From jelly + fish, describing an aquatic creature with a gelatinous, jelly-like body — even though jellyfish are not true fish at all.

Origin: Latin

Rhymes for jellyfish

See all rhymes for jellyfish →

Frequently asked questions

What does “jellyfish” mean?

The word “jellyfish” means a soft-bodied, mostly transparent sea creature with a bell-shaped body and trailing tentacles, often capable of stinging. In plain terms, the soft, see-through sea animal that can sting you with its tentacles.

How do you pronounce “jellyfish”?

“Jellyfish” is pronounced JEH-lee-fihsh (/ˈd͡ʒɛliˌfɪʃ/ in IPA).

How do you use “jellyfish” in a sentence?

Here is “jellyfish” used in a sentence: “A jellyfish drifted past the swimmers, its tentacles trailing behind it.”

What part of speech is “jellyfish”?

“Jellyfish” is a noun.

Where does the word “jellyfish” come from?

The word “jellyfish” comes from Latin. From jelly + fish, describing an aquatic creature with a gelatinous, jelly-like body — even though jellyfish are not true fish at all.

Is “jellyfish” a common word?

“Jellyfish” is an uncommon word in modern English.

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