coldheartedness coldheartedly • coldish · · · Info · Definitions · Synonyms · Characters · · coldheartedness · · Text Latin · · Script 15 · · Length Definitions · · · (noun) an absence of concern for the welfare of others. Synonyms: heartlessness, hardheartedness. · · Noun Definition 1 Synonyms · · · heartlessness · · Synonym 1 hardheartedness · · Synonym 2 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 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 t latin small letter t U+0074