: 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.
Using high-resolution bathymetric maps from its deep-sea sonar surveys, along with real-time oceanographic data on temperature, salinity, and currents collected by buoys and research vessels, the PLA has built detailed models of acoustic propagation. Bojan Stojkovski, Interesting Engineering, 31 Aug. 2025 As a science journalist and ocean explorer, she's investigated misinformation campaigns on social media, embedded in Alaskan archaeological digs, and contributed to the discovery of deep-sea organisms in the Central Pacific. Madison Dapcevich, Outside, 29 Aug. 2025 Jenkin lives in and was brought up in Cornwall, where deep-sea fishing is still a major industry. Leo Barraclough, Variety, 29 Aug. 2025 Scientists have warned that the full environmental impacts of deep-sea mining remain hard to predict, with many environmental advocacy groups standing against the practice. Dylan Butts, CNBC, 28 Aug. 2025 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 9 Sep. 2025.

Kids Definition

deep-sea

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