[n] a stifling cloud of smoke
[n] a confused multitude of things
[v] conceal or hide; "smother a yawn"; "muffle one's anger"; "strangle a yawn"
[v] envelop completely; "smother the meat in gravy"
[v] deprive of the oxygen necessary for combustion; "smother fires"
[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"
[v] form an impenetrable cover over; "the butter cream smothered the cake"
asphyxiate, clutter, jumble, mare's nest, muddle, muffle, put out, repress, stifle, strangle, suffocate, surround, welter