asphyxiate

Verb

• be asphyxiated; die from lack of oxygen
  • The child suffocated under the pillow
    

• impair the respiration of or obstruct the air passage of
  • The foul air was slowly suffocating the children
    

• deprive of oxygen and prevent from breathing
  • Othello smothered Desdemona with a pillow
    
  • The child suffocated herself with a plastic bag that the parents had left on the floor
    

Related words

• Synonyms: 
  suffocate , stifle , choke , smother