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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.

While there is debate about why so many Chinese fishing vessels would gather in geometric formations in the open sea, experts widely agree that they were not there to fish.

From Barron's • Mar. 13, 2026

If that is correct, the vessel and its crew likely crossed a significant stretch of open sea to reach Als, pointing to a carefully planned and organized military expedition.

From Science Daily • Feb. 16, 2026

Information gathered on Chinese Arctic voyages enables its scientists to build computer models of undersea conditions, which its navy can later tap to plot routes allowing them to operate more freely in the open sea.

From The Wall Street Journal • Dec. 30, 2025

Having seized the vessel, the navy said it could not be towed back to shore due to poor weather and its fragile construction, and it later sank in the open sea.

From BBC • Nov. 4, 2025

Yet they were unable to venture into the open sea, and none reached America, Australia, or remote islands such as Madagascar, New Zealand and Hawaii.

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

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