below the waterline
- submergedBelow water's surface
- hullOuter covering or frame
- keelHull's structural base
- underwaterBelow the surface
- hiddenKept out of sight
draft · bilge · submarine · iceberg · depth · sunken · unseen · lurking · beneath · cargo · ballast · concealed · damage · vulnerable · leak · titanic · reef · anchor
vertical position relative to water surface
below the waterlineabove water
Not submerged, financially viable
on deck · topside · on the surface · superstructure · freeboard
visibility/exposure (metaphorical)
below the waterlinevisible
Able to be seen
on the surface · out in the open · apparent · exposed · tip of the iceberg