usage: 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"
2. suffocate, stifle, asphyxiate, choke, obstruct, obturate, impede, occlude, jam, block, close up
usage: impair the respiration of or obstruct the air passage of; "The foul air was slowly suffocating the children"
3. suffocate, stifle, asphyxiate, die, decease, perish, go, exit, pass away, expire, pass, kick the bucket, cash in one's chips, buy the farm, conk, give-up the ghost, drop dead, pop off, choke, croak, snuff it
usage: be asphyxiated; die from lack of oxygen; "The child suffocated under the pillow"