ˈsəŋkən adjective
Etymology: from past participle of sink (I)
1.
a. : submerged ; especially : lying at the bottom of a body of water
sunken treasure
a sunken ship
b. : covered with a watery surface
a sunken marsh
2. : fallen in : hollow , recessed
hunger gave their faces a sunken look
noticed the slightly sunken cheeks underneath the trimmed beard — Joseph Conrad
3. : settled below the normal level
a sunken porch gave a forlorn look to the little house
that sunken avenue shaded by cypress trees — Marguerite Young
4. : sunk 4
three bedrooms, a sunken living room — Springfield (Massachusetts) Republican