Definitions
1.verbTo make a short, audible inhalation, through the nose, as when smelling something."I sniffed the meat to see whether it had gone off."
2.verbTo say something while sniffing, for example in case of illness or unhappiness, or in contempt.""He's never coming back, is he?" she sniffed while looking at a picture of him."
3.verbTo perceive vaguely"I can sniff trouble coming from the basement."
4.verbTo be dismissive or contemptuous of something."This opportunity is not to be sniffed at."
5.verbTo intercept and analyse packets of data being transmitted over a network.
6.verbTo inhale drugs in powder form (usually cocaine) through the nose.
7.nounA sniff sound or action.