make insensitive or callous; deaden feelings or morals emotionally hardened; "a callous indifference to suffering"; "cold-blooded and indurate to public opinion
A callous person or action is very cruel and shows no concern for other people or their feelings. his callous disregard for human life. + callousness cal·lous·ness the callousness of Raymond's murder. + callously cal·lous·ly He is accused of consistently and callously ill-treating his wife. not caring that other people are suffering (calleux, from callosus, from callus; CALLUS)