To cover over completely, as by a great wave; to overflow and bury beneath; to ingulf; hence, figuratively, to immerse and bear down; to overpower; to crush; to bury; to oppress, etc., overpoweringly.

overcome, as with emotions or perceptual stimuli

overcome by superior force

capsized or foundered.

To project or impend over threateningly.

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

charge someone with too many tasks

To cause to surround, to cover.

The act of overwhelming.