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Definitions

jellyfish

[jel-ee-fish] / ˈdʒɛl iˌfɪʃ /








Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Researchers at the University of Waterloo have identified the farthest jellyfish galaxy ever observed.

From Science Daily • Mar. 3, 2026

Among the species discovered were ancient relatives of worms, sponges and jellyfish.

From Barron's • Jan. 28, 2026

I spent several hours spellbound by the aquarium—don’t miss the octopus and jellyfish tanks—and the museum of the world’s oceans.

From The Wall Street Journal • Jan. 10, 2026

The last time these researchers spotted this type of “extraordinary octopus,” the creature was also holding part of a jellyfish, which at the time helped scientists understand its surprising diet of gelatinous animals.

From Los Angeles Times • Dec. 12, 2025

In an open lead of water, Clark spotted some jellyfish, another sign of open ocean.

From "Shipwreck at the Bottom of the World" by Jennifer Armstrong