insensitive
['callous ', 'indurate ', 'pachydermatous ', 'dead ', 'numb ', 'desensitized ', 'desensitised ', 'dull ', 'insensible ', 'unaffected ', 'soulless ', 'thickskinned ', 'toughskinned ', 'hard ', 'insensible ', 'tough ', 'unresponsive ', 'sensitive ']