drown

cover completely or make imperceptible

“I was drowned in work”

be covered with or submerged in a liquid

be in danger of dying from submersion in a liquid and asphyxiation

“the divers saved the drowning child”

die from being submerged in water, getting water into the lungs, and asphyxiating

“The child drowned in the lake”

get rid of as if by submerging

“She drowned her trouble in alcohol”

kill by submerging in water

“He drowned the kittens”