Submerges

verb

1. To sink out of sight.

   "The submarine submerged in the water."

2. To put into a liquid; to immerse; to plunge into and keep in.

   "In films many people are murdered by being submerged in swimming pools."

3. To be engulfed in or overwhelmed by something.

   "Because of the death of his father, he is submerged in sorrow."