SNIFFING

To make a short, audible inhalation, through the nose, as when smelling something.

"I sniffed the meat to see whether it had gone off."

To 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."

To perceive vaguely

"I can sniff trouble coming from the basement."

A sniff sound or action.