Synonyms of deep-seanext
: of, relating to, or occurring in the deeper parts of the sea
deep-sea fishing

Examples of deep-sea in a Sentence

chartered a boat to do some deep-sea fishing
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.
And lastly, abyssine (according to the brand) is a polymer derived from deep-sea organisms that eliminates and protects from pollution, environmental stressors, and general damage. Tamim Alnuweiri, InStyle, 15 June 2026 Researchers explored the remains during multiple deep-sea submersible trips in 2023, collecting samples and mapping the extent of the necropolis. Adithi Ramakrishnan, Los Angeles Times, 14 June 2026 The point is that Newell is backing what could become the most capable deep-sea research vessel ever built, a €700 million project that has just become the largest single-vessel order in the history of Norwegian shipbuilder Vard. Dea Jusufi, Forbes.com, 13 June 2026 Researchers with the Minderoo-UWA Deep-Sea Research Center found video of a deep-sea goblin shark in its natural environment in 2024 in the Pacific Ocean's Tonga Trench. Mark Osborne, CBS News, 12 June 2026 See All Example Sentences for deep-sea

Word History

First Known Use

circa 1625, in the meaning defined above

Time Traveler
The first known use of deep-sea was circa 1625

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Cite this Entry

“Deep-sea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deep-sea. Accessed 17 Jun. 2026.

Kids Definition

deep-sea

adjective
ˌdēp-ˌsē
: of, relating to, or occurring in the deeper parts of the sea
deep-sea fishing
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