The man who stole from the poor was a callous thief.
In the corporal's changed face, in the sound of his voice, in the stirring and deafening noise of the drums, he recognized that mysterious, callous force which compelled people against their will to kill their fellow men--that force the effect of which he had witnessed during the executions.
I know it sounds callous - and that there's more to life than work - but we really need the money.
Making it much more difficult to retire on grounds of ill-health was a rather callous way of dealing with part of the problem.
The police showed callous disregard for innocent lives.
He had callous indifference for helpless weakness.
You feel you're too calloused to recapture your 1st love.
Libertarianism seems to dissolve to an unworldly atomism, and seems far too callous about real human pain.
The callous attitude of the shipping company would sound like sheer mockery to my countrymen.