1. The act of breathing heavily through the nose (as when the nose is congested)
   "His constant sniffle indicated that he was coming down with a cold";
   - snuffle, snivel

1. Cry or whine with snuffling
   "The child sniffled after scraping his knee";
   - snivel, blubber, blub [informal], snuffle
    
2. Inhale audibly through the nose
   "the sick student was sniffling in the back row";
   - sniff

Derived forms: sniffling, sniffles, sniffled

Type of: breathe in, breathing, cry, external respiration, inhale, inspire, respiration, ventilation, weep

Encyclopedia: Sniffle