How could we have been so callous as to doubt her testimony?
The implication, of course, was that Khadr was, in the words of one interrogator, “cold and callous.”
Romney lost in part because he allowed his campaign and personality to be defined as extreme and callous.
Obama's callous dismissal of the question—as if serious people didn't even require an explanation—wasn't warranted.
A callous and utterly botched effort, but even if just a sidelight to this execution, it fits the execution like a favorite glove.
Or take the power of Caste in another direction—its callous cruelty.
I think you will be able to take care of yourself in a cold and callous world.
We hope that, after this callous confession, Scotland Yard will now take action.
He was hardened, steeped in guilt, and callous as to the sufferings of others.
callous as the wretch was, Percival's emotion and his proposal struck Varney with a sentiment like compunction.
c.1400, "hardened," in the physical sense, from Latin callosus "thick-skinned," from callus, callum "hard skin" (see callus). The figurative sense of "unfeeling" appeared in English by 1670s. Related: Callously; callousness.
callous cal·lous (kāl'əs)
Of, relating to, or characteristic of a callus or callosity.