submerge
verbUK /səbˈmɜːdʒ/
US /səbˈmɜːrdʒ/
To put something completely under water.
The hippo likes to submerge itself in the river to stay cool.
RELATED WORDS
OTHER MEANINGS
2. To go down below the surface of water.
The submarine began to submerge slowly.
3. To cover or hide something completely.
The town was submerged by the heavy flood.
4. To make someone very busy with work or problems.
She was submerged in paperwork all week.