No, it is not. It can be a verb (to smell, to cry or sniffle) or a noun (a sniffing sound, a whiff, or a scent). It is, however sometimes a noun adjunct as in sniff test.
The plural of sniff is sniffs.
sniff test
Sniff test
The past tense of sniff is sniffed.
to sniff (in general) = rikhre'akh (רחרח) to sniff (drugs, cocaine) = hisnif (×”×¡× ×™×£)
A homonym for "sniff" is "snit."
sniff sniff
im sniff everyday
Sniff, its a very basic word. It means the same thing as smell. Only people use "sniff" when they are referring to an animal such as a dog. Hope this helped:)
I do not want to sniff the smelly boy
That bloodhound will sniff out the fugitive's trail.
That is the correct spelling of "sniff" (to take a smell).