the wealthy [industrialist] rolled his eyes in callous [disdain] as he brushed past a crying child begging for help
[uncaring], [indifferent] or unconcerned about the feelings or needs of others, [heartless], [cruel]
"the wealthy [industrialist] rolled his eyes in callous [disdain] as he brushed past a crying child begging for help" What is the definition of "callous"?