A slight, gentle gust of air; a waft: a whiff of cool air.
A brief, passing odor carried in the air: a whiff of perfume.
A minute trace: "Humanity is unregenerable and hates the language of conformity, since conformity has a whiff of the inhuman about it” ( Anthony Burgess).
An inhalation, as of air or smoke: Take a whiff of this pipe.
Baseball A strikeout.
To be carried in brief gusts; waft: puffs of smoke whiffing from the chimney.
Sports To swing at and miss a ball or puck.
Baseball To strike out. Used of a batter.
To blow or convey in whiffs.
To inhale through the nose; sniff: a dog whiffing the air.