Definition of 'sniffle'
- the act of breathing heavily through the nose (as when the nose is congested)
Synonyms: snuffle snivel
- cry or whine with snuffling; "Stop snivelling--you got yourself into this mess!"
Synonyms: snivel blubber blub snuffle
- inhale audibly through the nose; "the sick student was sniffling in the back row"