adv. [f. CALLOUS a. + -LY2.] In a callous manner, unfeelingly.
1870. Daily Tel., 7 Oct., 3/1. When they died she callously got rid of their bodies as best she could.
1883. American, 184. No house in the world ever showed itself more callously indifferent to those it employed than A. T. Stewart & Co.
