What's definition of callous

Answer 1

The abstract noun form for the adjective callous is callousness.

The abstract noun form for the verb to callous is the gerund, callousing.

Answer 2

1. made hard; hardened. 2. insensitive; indifferent; unsympathetic: They have a callous attitude toward the sufferings of others. 3. having a callus; indurated, as parts of the skin exposed to friction.

Answer 3

I think you're referring to a callus. A callus is an area of thick, hardened layers of skin that often develop from friction or pressure. This is caused when the skin tries to protect itself. People often develop calluses from doing many activities with their hands, such as playing certain sports or if your job requires a lot of work with the hands.

Answer 4

callous (adj.) - unfeeling, very inconsiderate, brutal