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.
Developed by Vard’s in-house design studio, in collaboration with Inkfish, YTMC, and the Fincantieri Group, the new RV11000 was tailor-made for seafloor mapping and deep-sea exploration. Rachel Cormack, Robb Report, 1 June 2026 Offshore energy companies could automate structural safety checks on deep-sea pipelines. Mrigakshi Dixit, Interesting Engineering, 1 June 2026 Think deep-sea mining or offshore oil drilling. Justin Worland, Time, 28 May 2026 There are whales and cacti; birds and deep-sea fish, or fruit and flowers bursting from the same stalk. Samantha Conti, Footwear News, 27 May 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 10 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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