from The American Heritage® Dictionary of the English Language, 4th Edition
- intransitive v. To inhale a short, audible breath through the nose, as in smelling something.
- intransitive v. To sniffle.
- intransitive v. To use the sense of smell, as in savoring or investigating: sniffed at the jar to see what it held.
- intransitive v. To regard something in a contemptuous or dismissive manner: The critics sniffed at the adaptation of the novel to film.
- intransitive v. Informal To pry; snoop: The reporters came sniffing around for more details.
- transitive v. To inhale forcibly through the nose: sniffed the cool morning air.
- transitive v. To smell, as in savoring or investigating: sniffed the lilacs; sniffed the breeze for traces of smoke.
- transitive v. To perceive or detect by or as if by sniffing: dogs that sniffed out the trail through the snow; sniffed trouble ahead.
- transitive v. To utter in a contemptuous or haughty manner: The countess sniffed her disapproval.
- n. An instance or the sound of sniffing.
- n. Something sniffed or perceived by or as if by sniffing; a whiff: a sniff of perfume; a sniff of scandal.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An instance of sniffing.
- n. A quantity of something that is inhaled through the nose
- n. A brief perception
- v. To make a short, audible inhalation, through the nose, as if to smell something.
- v. To say something while sniffing, for example in case of illness or unhappiness
- v. To perceive vaguely
- v. To be dismissive or contemptuous of something.
from the GNU version of the Collaborative International Dictionary of English
- intransitive v. To draw air audibly up the nose; to snuff; -- sometimes done as a gesture of suspicion, offense, or contempt.
- transitive v. To draw in with the breath through the nose.
- transitive v. To perceive as by sniffing; to snuff, to scent; to smell.
- n. The act of sniffing; perception by sniffing; that which is taken by sniffing.
from The Century Dictionary and Cyclopedia
- To draw air through the nose in short audible inspirations, as an expression of scorn; snuff: often with at.
- To draw in with the breath through the nose; smell of with an audible inhalation; snuff: as, to sniff the fragrance of a clover-field.
- To perceive as by snuffing; smell; scent: as, to sniff danger.
- To draw the breath through (the nose) in an unpleasantly audible manner.
- n. The act of sniffing; a single short audible inspiration through the nose.
- n. Perception of smell obtained by inhaling audibly; that which is taken by sniffing: as, a sniff of fresh air.
- n. The sound produced by passing the breath through the nose with a quick effort; a short, quick snuffle.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. inhale audibly through the nose
- n. sensing an odor by inhaling through the nose
- v. perceive by inhaling through the nose
Middle English sniffen, probably of Scandinavian origin.(American Heritage® Dictionary of the English Language, Fourth Edition)