asphyxiate

(v) 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
suffocate, smother,
(v) impair the respiration of or obstruct the air passage of
- The foul air was slowly suffocating the children
suffocate, stifle, choke,
(v) be asphyxiated; die from lack of oxygen
- The child suffocated under the pillow
stifle, suffocate,

suffocate smother stifle choke

asphyxiated