Aquatic
Aquatic adjective - Living, lying, or occurring below the surface of the water.
Usage example: a lifelong fascination with sharks and other fearsome aquatic creatures
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Synonyms for Aquatic
Deep and aquatic are semantically related. In some cases you can use "Deep" instead an adjective "Aquatic".
Both words in one sentence
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XCOM Terror From The Deep replaces the first game's aliens with a variety of aquatic aliens and altered Earth species.
Source: Aquatic Mook - Our Mermaids Are Different: Merrows are aquatic humanoids who live deep in the oceans and govern the sea creatures.
Source: Roleplay / The Gamer's Alliance -
Most aquatic species need deep water for swimming, lights to bask under, and some form of filtration.
Source: Artistic License Animal Care
Cite this Source
Deep and Aquatic. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/aquatic/deep
Aquatic & Deep. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/aquatic/deep>.
Deep or Aquatic. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/aquatic/deep.
Google Ngram Viewer shows how "aquatic" and "deep" have occurred on timeline