callous

definition: emotionally hardened
example: a callous indifference to suffering
speech part: adjective
synonyms: indurate pachydermatous
definition: having calluses
example:
speech part: adjective
synonyms: thickened calloused
definition: to make insensitive or callous
example:
speech part: verb
synonyms: cauterize cauterise

callous is explained and pronounced

How callous is being used?