subaquarian

English

Etymology

From sub- +‎ aquarian.

Adjective

subaquarian (comparative more subaquarian, superlative most subaquarian)

  1. Lying below the surface of the water; submarine.
    • 1974, John Boorman, Zardoz, London: Pan Books, page 86:
      There they stool, still lost in some subaquarian fog, moving towards him so slowly that he could perceive no motion[.]