drown

cover completely or make imperceptible; "I was drowned in work"; "The noise drowned out her speech"

get rid of as if by submerging; "She drowned her trouble in alcohol"

die from being submerged in water, getting water into the lungs, and asphyxiating; "The child drowned in the lake"

kill by submerging in water; "He drowned the kittens"

be covered with or submerged in a liquid; "the meat was swimming in a fatty gravy"