characterized by or given to sniveling. Also especially British, sniv·el·ly .
What is the meaning of Snivelly?
: marked by sniveling : weakly sentimental : tearful, whiny.
What does sniveling person mean?
To call someone sniveling is a real insult — you're implying that they're worse than childish. The adjective comes from snivel, "cry and sniffle" or "whine," from the Old English snyflan, "to run at the nose," from the root snofl, "nasal mucus."