1
sniff
verb
- to take air into your nose in short breaths that are loud enough to be heard
- to smell (something or someone) by putting your nose close to it and taking air in through your nose in short breaths —often + at
- to take (something, such as fumes or a drug) into your body by inhaling it through your nose in order to get intoxicated
2
sniff
noun
- an act or the sound of drawing air into the nose especially in order to smell something or because you are sick or have been crying
- an expression of dislike or disapproval
- a small amount or sign of something