sunken
adjective
[ ˈsʌŋk(ə)n ]
• having sunk or been submerged in water.
• "the wreck of a sunken ship"
• at a lower level than the surrounding area.
• "a sunken garden"
Similar:
below ground level,
at a lower level,
lowered,
recessed,
Origin:
late Middle English: past participle of sink1.
