from The American Heritage® Dictionary of the English Language, 4th Edition
- intransitive v. To breathe audibly through a runny or congested nose.
- intransitive v. To weep or whimper lightly with spasmodic congestion of the nose.
- n. The act or sound of sniffling.
- n. A condition, such as a head cold, accompanied by congestion of the nose. Used with the.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To make a whimpering or sniffing sound when breathing because of a runny nose.
- n. The act, or the sound of sniffling; the condition of having a runny or wet nose, as from a cold or allergies.
from the GNU version of the Collaborative International Dictionary of English
- intransitive v. To snuffle, as one does with a catarrh.
from The Century Dictionary and Cyclopedia
- To snuffle.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the act of breathing heavily through the nose (as when the nose is congested)
- v. inhale audibly through the nose
- v. cry or whine with snuffling
Frequentative of sniff.(American Heritage® Dictionary of the English Language, Fourth Edition)
sniff + -le (“early modern English frequentative suffix”) (Wiktionary)