✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!
: 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.
Unema joined the team in early 2016 and has since helped develop and operate deep-sea robots for scientific expeditions around the globe. Edd Gent, IEEE Spectrum, 27 Nov. 2025 The , or , is equipped with a manned submersible to collect deep-sea samples, including organisms and sediments. Ryan Chan, MSNBC Newsweek, 26 Nov. 2025 That’s the result of the creatures’ deep-sea diet of heavy metal-eating tuna and swordfish. John Metcalfe, Mercury News, 24 Nov. 2025 Among the artifacts spotted by deep-sea cameras so far are an anchor and cargo such as jugs and glass bottles, cast iron cannons, porcelain pieces, pottery and objects apparently made of gold. CBS News, 21 Nov. 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

Browse Nearby Words

Cite this Entry

“Deep-sea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deep-sea. Accessed 2 Dec. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!