Definition of "callous"

callous

/ˈkæləs/

adjective
comparative more callous, superlative most callous
1. (figurative) Emotionally hardened; unfeeling and indifferent to the suffering/feelings of others.
  Quotations
  Re-watching some of the audition rounds of these shows now, you're struck by how callous the judges' comments often were, and how they presented a cruel spectacle in which the audience were set up to laugh at the "deluded" members of the public who believed they could sing.
  2021 September 15, Laura Martin, “How talent shows became TV's most bizarre programmes”, in BBC‎
2. (literal) Having calluses, or relating to calluses.
noun
plural callouses
1. Alternative form of callus
verb
third-person singular simple present callouses, present participle callousing, simple past and past participle calloused
1. Alternative form of callus