sniffler sniffle • sniffly · · · Info · Definitions · Synonyms · Characters · · sniffler · · Text Latin · · Script 8 · · Length Definitions · · · (noun) a person who breathes audibly through a congested nose. Synonyms: sniveler. · · Noun Definition 1 Synonyms · · · sniveler · · Synonym 1 Characters · · e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073