asphyxiate

/æsˈfɪksiˌeɪt/
verb
  1. To cause someone to die or become unconscious by depriving them of oxygen; to suffocate.
    • He was asphyxiated by the toxic gas in the lab.
    • The thick smoke almost asphyxiated the firefighters.
    • The plastic bag can asphyxiate a small child if not kept away.
Antonyms
What does "asphyxiate" mean? | whatsthatwordmean | whatsthatwordmean