: 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.
The technology is expected to deliver annual fuel savings of up to 12 percent on the Grand Pioneer during deep-sea operations between Brazil and China. Georgina Jedikovska, Interesting Engineering, 1 Oct. 2025 By sinking algae into deep-sea sediments, Gigablue mimics a process that has regulated Earth’s climate for millennia—only faster, more reliably, and without the massive energy footprint of industrial capture machines. Melissa Jun Rowley, Rolling Stone, 1 Oct. 2025 Architects and city planners, sign-makers and deep-sea explorers adapted the new light for all kinds of specialized uses. Ernest Freeberg, The Conversation, 29 Sep. 2025 Recently, however, talk of deep-sea mining has resumed. Danny Robb, JSTOR Daily, 26 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 6 Oct. 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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