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View synonyms for jellyfish

jellyfish

[ jel-ee-fish ]

noun

, plural (especially collectively) jel·ly·fish, (especially referring to two or more kinds or species) jel·ly·fish·es.
  1. any of various marine coelenterates of a soft, gelatinous structure, especially one with an umbrellalike body and long, trailing tentacles; medusa.
  2. Informal. a person without strong resolve or stamina; an indecisive or weak person.


jellyfish

/ ˈdʒɛlɪˌfɪʃ /

noun

  1. any marine medusoid coelenterate of the class Scyphozoa, having a gelatinous umbrella-shaped body with trailing tentacles
  2. any other medusoid coelenterate
  3. informal.
    a weak indecisive person


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Word History and Origins

Origin of jellyfish1

1700–10; 1910–15 jellyfish fordef 2; jelly + fish

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Example Sentences

Scientists have used viruses to insert a green fluorescent protein found in jellyfish into mouse brains, causing neurons to light up during learning.

After the rocket touched back down on the landing pad, three parachutes erupted from the capsule and hovered above it like gigantic blue and red jellyfish as the vehicle landed in a puff of dust.

He’s out on the beach over a ball, near those wooden picket beach fences, on a downslope toward the waves and jellyfish.

That’s because, among animals, jellyfish are evolutionarily about as far away as you can get from mammals.

The evidence for sleep in creatures with minimal nervous systems seemed to reach a new high about five years ago with studies of jellyfish.

His first feature film, Jellyfish Eyes, debuted last year and was set in a town near a threatening nuclear power plant.

In April, Murakami released his film Jellyfish Eyes, inspired by “a manga called GeGeGe no Kitaro” from the 1960s.

Fish are too smart, big, fast, and numerous for jellyfish to come anywhere close to getting an upper hand.

Does the abundance of jellyfish in the ocean pose a threat to us?

And so, quietly, notch by notch, jellyfish continue to inherit damaged ecosystems.

"He is a fair sample of some of the human jellyfish I have found hidden away in odd corners on this coast," stated Captain Mayo.

The children's mother told them that the whale is the largest of all animals, and that it lives on little jellyfish.

By the time he was twenty-seven the only living thing that could be said to have served him as a model was the jellyfish.

Now the jellyfish pursues a most amiable theory of life, being harmless, humorous, and decorative.

Perhaps because, after all, no man ever quite achieves complete resemblance to a jellyfish.

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