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English definition of “sniff”

sniff

verb [I/T] (SMELL)   /snɪf/
to smell something by taking in air through the nose: [T] Jack crushed a bit of dried grass between his fingers and sniffed its scent. To sniff is also to quickly take in a breath through the nose.
(Definition of sniff verb (SMELL) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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