1. having sunk or been submerged in water: "the wreck of a sunken ship"
2. at a lower level than the surrounding area: "a sunken garden"Similarbelow ground levelat a lower levelloweredrecessed
▪ (of a person's eyes or cheeks) deeply recessed, especially as a result of illness, hunger, or stress:"her face was white, with sunken cheeks"Similarhollowedhollowdepresseddeep-setconcavedentedindentedcaved indrawnhaggard
Word Originlate Middle English: past participle of sink1.