beneathqueous

An adjective that describes something existing or occurring below the surface of a liquid, such as water.

or
Someone who has a strong connection or affinity to aquatic environments and activities.

"The ancient shipwreck was discovered in a beneathqueous cavern deep in the ocean,"
"Alan is quite beneathqueous, he loves scuba diving."

by ToastyTism October 10, 2023