DEEP-SEA Synonyms: 8 Similar and Opposite Words

deep-sea

adjective

ˈdēp-ˈsē

Definition of deep-sea

as in oceanic

of, relating to, or occurring in the open sea chartered a boat to do some deep-sea fishing

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

littoral

Example Sentences

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.

Recent Examples of deep-sea His deep-sea fishing charter had client Walter Chapman on board Wednesday. — Juli McDonald, CBS News, 25 Aug. 2026 Iridescent flashes and gold gemstones emulate deep-sea treasures. — Ariel Wodarcyk, InStyle, 22 Aug. 2026 At these deep-sea mineral formations, a rich chemical brew, warmed by volcanic activity, spills out over the ocean floor. — Philip Ball, Scientific American, 20 Aug. 2026 The buoyant 808s ping-pong back and forth, sounding like an aquatic marching band ushering in a deep-sea championship team. — Jeff Ihaza, Rolling Stone, 19 Aug. 2026 See All Example Sentences for deep-sea

Recent Examples of Synonyms for deep-sea

oceanic

Adjective

Located within an uplifted section of oceanic crust known as an ophiolite, the Bulqizë reservoir generates its own continuous supply of clean energy.

— Mrigakshi Dixit, Interesting Engineering, 29 Sep. 2026
This extra oceanic warmth is also likely to extend hurricane further into fall, with more intense hurricanes more likely than not through at least early November.

— Sean Macaday, Sacbee.com, 22 Sep. 2026

Definition of oceanic

Browse Nearby Words

deeps

deep-sea

deep-seated

See all Nearby Words

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Style

“Deep-sea.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/deep-sea. Accessed 5 Oct. 2026.

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Synonyms of deep-sea

adjective

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