niggler niggle • niggling · · · Info · Definitions · Synonyms · Characters · · niggler · · Text Latin · · Script 7 · · Length Definitions · · · (noun) someone who constantly criticizes in a petty way. Synonyms: carper. · · Noun Definition 1 Synonyms · · · carper · · Synonym 1 Characters · · e latin small letter e U+0065 g latin small letter g U+0067 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