a slight gust or puff of wind, air, vapor, smoke, or the like

a whiff of fresh air.

a slight trace of odor or smell

a whiff of onions.

a single inhalation or exhalation of air, tobacco smoke, or the like.

a trace or hint

a whiff of scandal.

a slight outburst

a little whiff of temper.

to blow or come in whiffs or puffs, as wind or smoke.

to inhale or exhale whiffs, as in smoking tobacco.

Baseball Slang . (of a batter) to strike out by swinging at and missing the pitch charged as the third strike.

to blow or drive with a whiff or puff, as the wind does.

to inhale or exhale (air, tobacco smoke, etc.) in whiffs.

to smoke (a pipe, cigar, etc.).

Baseball Slang . (of a pitcher) to cause (a batter) to whiff.

noun

aroma , blast , breath , dash , draught , flatus , fume , gust , hint , inhalation , odor , puff , scent , shade , smack , sniff , snuff , soupon , trace , trifle , waft , ghost , hair , intimation , semblance , shadow , streak , suggestion , suspicion , taste , tinge , touch , whisper , expel , inhale , smell , stench , strikeout

verb

nose , scent , sniff , snuff