asphyxiate

verb asphyxiate

• suffocate — to kill by preventing the access of air to the blood through the lungs or analogous organs, as gills; strangle.
• choke — When you choke or when something chokes you, you cannot breathe properly or get enough air into your lungs.
• smother — to stifle or suffocate, as by smoke or other means of preventing free breathing.
• drown — to die under water or other liquid of suffocation.
• strangle — to kill by squeezing the throat in order to compress the windpipe and prevent the intake of air, as with the hands or a tightly drawn cord.