Adjective underwater has 2 senses
  1. submerged, submersed, underwater - beneath the surface of the water; "submerged rocks"
    Antonym: overhead (indirect, via surface, subsurface)
    Antonym: surface (indirect, via subsurface, overhead)
  2. subaqueous, subaquatic, submerged, submersed, underwater - growing or remaining under water; "viewing subaqueous fauna from a glass-bottomed boat"; "submerged leaves"
    Antonyms: terrestrial, land (indirect, via amphibious, aquatic)
    Antonym: amphibious (indirect, via aquatic, terrestrial)
,
TOP