: 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.
This is a crucial component that allows the system to draw deep-sea water for the thermal energy conversion process. Georgina Jedikovska, Interesting Engineering, 24 Oct. 2025 This clay molding process was known to preserve the form of soft animals in oxygen-poor areas, such as the muds at the bottom of lagoons and deep-sea trenches, Sereno says. Andrea Tamayo, Scientific American, 23 Oct. 2025 The two-part public event invites community members to explore the future of Florida’s coral reefs and the hidden role of deep-sea fish in regulating the planet’s carbon cycle. Diana Udel, Miami Herald, 22 Oct. 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, 21 Oct. 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 2 Nov. 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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