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Synonyms

open sea

American  

noun

  1. the main body of a sea or ocean, especially the part that is outside territorial waters and not enclosed, or partially enclosed, by land.


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.

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She swam from the open sea toward shore and climbed onto the sand, where guests had been encouraged to “stay dry and cheer loud from the beach.”

From Los Angeles Times ● Oct. 21, 2026

For Wednesday's operation, authorities fixed nets to floating pontoons, to be moved gradually as the shark heads towards the open sea.

From Barron's ● Oct. 21, 2026

Most existing wave energy devices perform well only under specific wave conditions, limiting their effectiveness in the constantly shifting environment of the open sea.

From Science Daily ● Feb. 18, 2026

It had not been seen since it reportedly entered the region in January but it had been crossing the open sea where satellite coverage is limited.

From BBC ● Feb. 16, 2026

About 45,000 years ago, they somehow crossed the open sea and landed in Australia—a continent hitherto untouched by humans.

From "Sapiens: A Brief History of Humankind" by Yuval Noah Harari

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