Submerged

adjective
1.
under the surface of water or any other enveloping medium; inundated.
2.
hidden, covered, or unknown:
There are many submerged facts which could have a bearing on the case.
3.
poverty-stricken; destitute; impoverished:
a program to aid the submerged socioeconomic groups.
verb (used with object), submerged, submerging.
1.
to put or sink below the surface of water or any other enveloping medium.
2.
to cover or overflow with water; immerse.
3.
to cover; bury; subordinate; suppress:
His aspirations were submerged by the necessity of making a living.
verb (used without object), submerged, submerging.
4.
to sink or plunge under water or beneath the surface of any enveloping medium.
5.
to be covered or lost from sight.
adjective
1.
(of plants or plant parts) growing beneath the surface of the water
2.
hidden; obscured
3.
overwhelmed or overburdened
verb
1.
to plunge, sink, or dive or cause to plunge, sink, or dive below the surface of water, etc
2.
(transitive) to cover with water or some other liquid
3.
(transitive) to hide; suppress
4.
(transitive) to overwhelm, as with work, difficulties, etc