sea snake

noun

Synonyms of sea snakenext
1
: sea serpent
2
: any of numerous venomous aquatic chiefly viviparous elapid snakes of warm seas

Examples of sea snake in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Such an enormous size is mind-blowing compared to that of modern sea snakes. — Scott Travers, Forbes, 13 Mar. 2025 Oil that is on the surface is harmful to animals that come up to the surface to breathe, such as dolphins, sea turtles and sea snakes. — Asuka Koda, CNN Money, 17 Apr. 2026 But his game ended abruptly after a second, very real bite from a black and white banded sea snake, also known as a sea krait, which forced his medical evacuation. — Terry Terrones, HollywoodReporter, 10 Oct. 2025 There was yet more to see—wild horses and noodle-nosed saiga antelope, coves of turquoise water filled with shipwrecks and sea snakes, and camel caravans on the Turkman border. — J.r. Patterson, Condé Nast Traveler, 25 June 2024 See All Example Sentences for sea snake

Word History

First Known Use

1755, in the meaning defined at sense 1

Time Traveler
The first known use of sea snake was in 1755

Rhymes for sea snake

See All Rhymes for sea snake

Browse Nearby Words

sea snail
sea snake
sea snipe
See all Nearby Words

Cite this Entry

“Sea snake.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sea%20snake. Accessed 7 Jul. 2026.

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Medical Definition

sea snake

noun
: any of numerous venomous snakes (subfamilies Hydrophiinae and Laticaudinae) inhabiting the tropical parts of the Pacific and Indian oceans

More from Merriam-Webster on sea snake

Thesaurus: All synonyms and antonyms for sea snake

Britannica.com: Encyclopedia article about sea snake

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