1. to be emotionally hardened, unfeeling, or indifferent to the suffering of others
It was callous of him to laugh at her misfortune.
Foi insensível da parte dele rir da desgraça dela.
2. to show a lack of sympathy or compassion
The politician's callous remarks about the homeless shocked everyone.
Os comentários insensíveis do político sobre os sem-abrigo chocaram a todos.