To die by being submerged in water and unable to breathe. He drowned after falling off the boat during the storm.
To kill by submerging in water. The villain attempted to drown the hero in the river.
To overwhelm or cover completely, especially with a liquid. The heavy rain drowned the fields, causing a flood.
To be overwhelmed by a large amount of something. She felt like she was drowning in paperwork at the office.
To make a sound inaudible by producing a louder noise. The loud music drowned out their conversation.