The man who stole from the poor was a callous thief.
Kiera looked at Evelyn, astonished by her callous words.
There was nothing heroic about Cecil or his policy; it involved a callous attitude towards struggling Protestants abroad.
That was a particularly callous act, which left her left hand painful and badly bruised.
A story describing how the domestic happiness of a young tutor, who marries the unacknowledged daughter of a Russian sensualist of the old type, dull, ignorant and genial, is troubled by a Russian sensualist of the new school, intelligent, accomplished and callous, without there being any possibility of saying who is most to be blamed for the tragic termination.