Definition of aquaticnext
as in underwater
living, lying, or occurring below the surface of the water a lifelong fascination with sharks and other fearsome aquatic creatures

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 aquatic Invasive mussels are a very adaptable species, said Doug Jensen, aquatic invasive species planner at Minnesota’s Department of Natural Resources. Caitlin Looby, jsonline.com, 20 Jan. 2026 While the American military base RDA relentlessly exploits Pandora, Sully and his family seek refuge with the reef-dwelling, aquatic clan of Metkayina. James Mercadante, Entertainment Weekly, 20 Jan. 2026 Morales and the other aquatic performers had to master the art of finding calmness and holding their breath for at least 45 seconds. Meredith Wilshere, PEOPLE, 18 Jan. 2026 One of the more impressive subterranean sites open to visitors is known as the Lost Sea, an aquatic landmark that claims the title of the largest underground lake in the United States. Lydia Mansel, Travel + Leisure, 16 Jan. 2026 See All Example Sentences for aquatic
Recent Examples of Synonyms for aquatic
Adjective
  • Go to an underwater winery in Hvar, Croatia Winemaking has been a vital part of sunny Hvar’s heritage for thousands of years.
    Catherine Garcia, TheWeek, 28 Jan. 2026
  • The Caribbean island already suffers extreme flooding and heat; conservative forecasts predict significant portions could be underwater by 2050 without immediate action.
    Mike Corder, Los Angeles Times, 28 Jan. 2026
Adjective
  • One of the major functions of modern navies is submarine hunting.
    New Atlas, New Atlas, 18 Jan. 2026
  • Last December, lawmakers passed a short-term funding bill that included $5.7 billion in emergency funding for the submarine industrial base.
    Lisa Hagen, Hartford Courant, 6 Aug. 2025

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Cite this Entry

“Aquatic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/aquatic. Accessed 4 Feb. 2026.

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