underwater

adjective

ˌən-dər-ˈwȯ-tər How to pronounce underwater (audio)
Definition of underwaternext
as in aquatic
living, lying, or occurring below the surface of the water underwater plants don't require as much light to grow as surface plants a vessel designed for underwater exploration

Synonyms & Similar Words

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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 underwater Being an underdog in entertainment kind of just felt like being underwater. — Marissa R. Moss, Rolling Stone, 17 July 2026 In time, observation of the sharks — on land, from boats and even underwater — could develop into an additional source of income thanks to ecotourism, Palazzo said. — ABC News, 17 July 2026 Trump is underwater with parts of his own party on the Iran war. — Steve Liesman, CNBC, 17 July 2026 The other sections of the chopper were found underwater at a depth of 30 feet. — Paloma Chavez, PEOPLE, 17 July 2026 See All Example Sentences for underwater
Recent Examples of Synonyms for underwater
  1. aquatic
  2. submarine
  3. submerged
Adjective
  • About 60,000 acres of the swamp are shallow, watery prairies covered with grass, sedges and other aquatic plants rooted in thick beds of peat.
    — Charles Seabrook, AJC.com, 25 July 2026
  • The kids' spaces at Hilton Tulum Riviera Maya comprise an oceanfront pool and large aquatic playground, sweeping outdoor jungle gym, and whimsical two-story indoor club with a rundown of activities that thoughtfully integrate Mayan culture.
    — Gina Kramer, USA Today, 25 July 2026
Definition of aquatic
Adjective
  • But a new antenna technology, borrowed from the physics of medical implants, is rethinking how submarine machines talk to each other – and to us.
    — Omar Kardoudi June 06, New Atlas, 6 June 2026
  • Despite the ongoing retirement of older hulls, the PLAN's submarine force is expected to grow to 65 units by 2025 and 80 units by 2035 due to an expansion of submarine construction capacity.
    — Ryan Chan, MSNBC Newsweek, 29 July 2025
Definition of submarine
Adjective
  • Dozens of people stuck in submerged vehicles throughout the region had to be rescued, and floodwaters initially cut off access to them in some areas.
    — ABC News, ABC News, 23 July 2026
  • Damon notes one instance when, while filming the Trojan Horse scene, costar Jon Bernthal (who plays Menelaus) was half-submerged in freezing water.
    — Desiree Anello, PEOPLE, 16 July 2026
Definition of submerged

Browse Nearby Words

undervaluing
underwater
under way
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Cite this Entry

“Underwater.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underwater. Accessed 27 Jul. 2026.

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More from Merriam-Webster on underwater

Nglish: Translation of underwater for Spanish Speakers

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