sunk·en 
/ˈsʌŋkən/ adjective
/ˈsʌŋkən/ adjective 1 always used before a noun : completely covered with water : lying at the bottom of a sea, lake, etc.
▪ a sunken ship ▪ sunken treasure 2 : curving inward because of illness, age, etc.
▪ sunken [=hollow] cheeks ▪ Her eyes were sunken and lifeless. 3 always used before a noun : lying or built at a lower level than the surrounding area
▪ a sunken garden ▪ a sunken living room ▪ a sunken tub
▪ a sunken ship ▪ sunken treasure
▪ sunken [=hollow] cheeks ▪ Her eyes were sunken and lifeless.
▪ a sunken garden ▪ a sunken living room ▪ a sunken tub
