Dictionary.com
Thesaurus.com
Synonyms

sea serpent

American  

noun

  1. an enormous, imaginary, snakelike or dragonlike marine animal.

  2. Astronomy. Sea Serpent, the constellation Hydra.


sea serpent British  

noun

  1. a huge legendary creature of the sea resembling a snake or dragon

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of sea serpent

First recorded in 1640–50

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.

“It definitely looks fanciful; it evokes the sea serpent mythology.”

From Los Angeles Times • Aug. 15, 2024

Near the coast of Norway, Magnus depicts a bright-red sea serpent attacking a ship that tilts as though it’s being taken under.

From National Geographic • Dec. 28, 2023

This is balanced with all of the aforementioned struggles like finding a mythical sea serpent or perfecting a radical kind of surgery.

From The Verge • May 12, 2022

The Chesapeake Bay-themed Our Special Harbor spray ground is packed with a colorful variety of attractions, including misting sunflowers, a spraying osprey nest and sea serpent, and a computerized water maze.

From Washington Post • Jul. 21, 2021

Percy kept one eye on the red sea serpent, which was still slithering through the waves about a hundred yards to port.

From "Blood of Olympus" by Rick Riordan