groundlessness groundlessly • ground level · · · Info · Definitions · Synonyms · Characters · · groundlessness · · Text Latin · · Script 14 · · Length 4 · · Syllables Definitions · · · (noun) the quality of lacking substance or value. Synonyms: idleness. Example: "The groundlessness of their report was quickly recognized." · · Noun Definition 1 Synonyms · · · idleness · · Synonym 1 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075