1.
Sunken ships have sunk to the bottom of a sea, ocean, or lake.
The ~ sailing-boat was a glimmer of white on the bottom...
Try diving for ~ treasure.
ADJ: ADJ n
2.
Sunken gardens, roads, or other features are below the level of their surrounding area.
The room was dominated by a ~ bath.
ADJ: ADJ n
3.
Sunken eyes, cheeks, or other parts of the body curve inwards and make you look thin and unwell.
Her eyes were ~ and black-ringed.
ADJ