Dictionary.com
Thesaurus.com
Synonyms

subaqueous

American  
[suhb-ey-kwee-uhs, -ak-wee-] / sʌbˈeɪ kwi əs, -ˈæk wi- /

adjective

  1. existing or situated under water; underwater.

  2. occurring or performed under water.

  3. used under water.


subaqueous British  
/ sʌbˈeɪkwɪəs, -ˈækwɪ- /

adjective

  1. occurring, appearing, formed, or used under water

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

subaqueous Scientific  
/ sŭb-ākwē-əs /
  1. Found or occurring underwater.

  2. Formed or adapted for underwater use or operation.


Etymology

Origin of subaqueous

First recorded in 1670–80; sub- + aqueous

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Baby Drexciyans swam from their mothers’ wombs, never needing to breathe air, and gave rise to a subaqueous empire.

From The Guardian

But peer into either end and you’ll find that the boxes are hollow and form a long corridor colored a subaqueous blue.

From New York Times

Once I’m in the zone, I don’t hear anything but the reassuring thud of my own pumping circulation and a consoling subaqueous muffle.

From The Guardian

Don’t be fooled by the name – his productions feel subaqueous yet abrasive, and relentlessly innovative.

From The Guardian

Sebald’s quiet, bashful, mysteriously subaqueous prose brings alive the paradoxical combination of drift and paralysis that has afflicted these lives.

From The New Yorker