Advanced and Proficiency Vocabulary for Exams(e.g.GRE, Banks, Civil Services, SAT / LSAT). For IELTS/TOEFL, and everyday spoken vocabulary, go to our Spoken Vocabulary Database.
The term ‘callous’ is used in relation to people’s behaviour and attitude. A callous person does not feel any emotion when they see somebody in trouble or pain. They are unkind and devoid of sympathy in words and/or actions.
It might sound callous, but I'm glad David was fired. He used to always get on my nerves.
She behaved callously, showing a total disregard for the welfare of others.
The callousness of his murder was particularly upsetting. I don’t know how people can be capable of such things.