unfeelingness unfeelingly • unfeignable · · · Info · Definitions · Synonyms · Characters · · unfeelingness · · Text Latin · · Script 13 · · Length Definitions · · · (noun) devoid of passion or feeling; hardheartedness. Synonyms: callousness, callosity, hardness, insensibility. · · Noun Definition 1 Synonyms · · · callousness · · Synonym 1 callosity · · Synonym 2 hardness · · Synonym 3 insensibility · · Synonym 4 Characters · · e latin small letter e U+0065 f latin small letter f U+0066 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 s latin small letter s U+0073 u latin small letter u U+0075