submerged
adj. B2 Upper Intermediate US //səbˈmɝdʒd// UK //səbmˈɜːdʒd// sub·merged
adj. completely under the surface of water or another liquid. You use this to describe things that are hidden or covered by water.
adj. completely covered by water or another liquid; existing or functioning beneath the surface. Often used as a participial adjective following a linking verb or modifying a noun.
The old town is now submerged under the new lake.
Rescue teams used sonar to locate the submerged vehicle at the bottom of the river.
The explorer discovered the ruins of a submerged temple, its intricate stone carvings now home to coral reefs and schools of tropical fish.
Usage
Often follows 'remain', 'stay', or 'be'. When used figuratively, it describes being overwhelmed or hidden by a larger force.