: 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.
With climate funding under threat, Wendy Schmidt is becoming an increasingly vital philanthropist—supporting deep-sea discovery, public media, and scientific collaboration across the globe. Elisabeth Brier, Forbes.com, 18 Sep. 2025 Tens of thousands of sea lions and elephant seals dot the shorelines, while dolphins and sperm whales swim through the waters, which are also home to kelp forests and deep-sea coral gardens. Nicholas Derenzo, AFAR Media, 16 Sep. 2025 These areas are where wildlife in the depths can thrive—protected from lawlessness and the impacts of overfishing, pollution, and shipping, plus newer threats like deep-sea mining. Bonnie Tsui, Time, 15 Sep. 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, 15 Sep. 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 20 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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