callousness callously • Callovian · · · Info · Definitions · Synonyms · Characters · · callousness · · Text Latin · · Script 11 · · Length Definitions · · · (noun) devoid of passion or feeling; hardheartedness. Synonyms: unfeelingness, callosity, hardness, insensibility. · · Noun Definition 1 Synonyms · · · unfeelingness · · Synonym 1 callosity · · Synonym 2 hardness · · Synonym 3 insensibility · · Synonym 4 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 u latin small letter u U+0075