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 Chytrid fungus is water-borne, and spreads through a frog’s aquatic habitat. — Laura Baisas, Popular Science, 24 Sep. 2026 These semi-aquatic animals had canine teeth instead of a horn and barrel-shaped torsos. — Iris Kwok, Los Angeles Times, 24 Sep. 2026 Students collected macroinvertebrates, small aquatic creatures that can provide clues about the health of local waterways. — Hannah McIlree, CBS News, 22 Sep. 2026 Analysis showed its feathers had underwater adaptations seen in aquatic birds today. — Mrigakshi Dixit, Interesting Engineering, 10 Sep. 2026 See All Example Sentences for aquatic
Recent Examples of Synonyms for aquatic
Adjective
  • Sculptural hems and peplums gave the clothes an underwater buoyancy, while naturalist David Attenborough’s voice supplied the ocean-conservation message.
    — ABC News, ABC News, 2 Oct. 2026
  • Audiences can expect natural richness, such as underwater images of glistening shellfish, to encounter ecological dread.
    — Georg Szalai, HollywoodReporter, 2 Oct. 2026
Adjective
  • The third pillar expands on this approach by increasing the capacity of the wider submarine industrial base.
    — Georgina Jedikovska, Interesting Engineering, 22 Sep. 2026
  • 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

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Cite this Entry

“Aquatic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/aquatic. Accessed 9 Oct. 2026.

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