Synonyms of deep-seanext
: 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.
Terminal Catalunya operates the Barcelona Europe South Terminal (BEST), which is the main deep-sea gateway for cargo moving to and from Barcelona and elsewhere throughout Spain. Glenn Taylor, Sourcing Journal, 15 Dec. 2025 Other sharks gaining partial protections for the first time include deep-sea gulper sharks, which have been prized for their liver oil used for cosmetics. Gareth J. Fraser, The Conversation, 12 Dec. 2025 In the process, China created at least 12 institutions dedicated to deep-sea research and built the world’s largest fleet of civilian research vessels. Elizabeth Economy, Foreign Affairs, 9 Dec. 2025 Or take to the ocean for water adventures such as boating, deep-sea fishing, or diving and snorkeling by the magnificent Maldivian coral reefs. Robb Report Studio, Robb Report, 8 Dec. 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 21 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
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