sea monster

noun

plural sea monsters
: a mythical creature of usually immense size that lives underwater and is traditionally regarded as a threat to ships and mariners
In Norway and Iceland, legend has it that the Kraken, a giant sea monster similar to a squid or octopus, is lurking in local seas, only to occasionally rise and go on a rampage.Etan Vlessing

Examples of sea monster in a Sentence

Recent Examples on the Web
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The town is named for the Greek mythological creature Scylla, a sea monster with multiple heads that was fabled to terrorize sailors (most notably, the hero Odysseus) who dared to travel the water between Italy and Sicily. Rachel Raposas, PEOPLE, 13 Jan. 2026 The Santa Cruz sea monster shows how decay can mislead even careful observers. Stella Mayerhoff, Mercury News, 8 Dec. 2025 Then Aphrodite turned around, became a sea monster, devoured the actors and sunk into the sea. Pam Kragen, San Diego Union-Tribune, 7 Dec. 2025 The giant ugly sea monster Cetus was closing in on a beach where Princess Andromeda was chained to a rock by her own parents, Cassiopeia and Cepheus, the king and queen of ancient Ethiopia. Mike Lynch, Twin Cities, 19 Oct. 2025 See All Example Sentences for sea monster

Word History

First Known Use

1568, in the meaning defined above

Time Traveler
The first known use of sea monster was in 1568

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Cite this Entry

“Sea monster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sea%20monster. Accessed 15 Jan. 2026.

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