Sniff

Noun

 * 1) An instance of sniffing.

Verb

 * 1) To make a short, audible inhalation, through the nose, as if to smell something.
 * 2) To be dismissive or contemptuous of something.

Thesaurus
artificial respiration, aspirate, aspiration, assibilate, assibilation, asthmatic wheeze, be warm, blow, breath, breath of air, breathe, breathe hard, breathe in, breathe out, breathing, broken wind, burn, buzz, cough, cut, cut direct, disregard, draw in, effervesce, effervescence, effervescing, exhalation, exhale, exhaust, expel, expiration, expire, exsufflation, feeling, fizz, fizzle, fizzling, frication, frictional rustling, gasp, get wind of, gulp, hack, hiccup, hint, hiss, hissing, huff, humiliation, hush, hushing, inhalation, inhalator, inhale, inhalement, inspiration, inspire, insufflation, iron lung, lisp, nose, nose out, odor, oxygen mask, oxygen tent, pant, puff, rebuff, repulse, respiration, respire, rhonchus, scent, scuba, shush, shushing, sibilance, sibilate, sibilation, siffle, sigh, sigmatism, siss, sissing, sizz, sizzle, sizzling, slight, slurp, smell, smell of, smell out, sneer, sneeze, sneezing, sniff at, sniff out, sniffle, snore, snoring, snort, snub, snuff, snuff in, snuffle, spirit, spit, splutter, spurn, spurning, sputter, squash, squelch, squish, sternutation, stertor, suck, suck in, sucking, suckle, suction, suggestion, suspiration, swish, the cold shoulder, the go-by, wheeze, whiff, whish, whistle, whistling, white noise, whiz, whoosh, wind, zip