#1
callous s. [
indurate, pachydermatous] emotionally hardened; "a callous indifference to suffering"; "cold-blooded and indurate to public opinion"
. wn #2
callous v. [
cauterize, cauterise] make insensitive or callous; deaden feelings or morals
. wn #3
callous s. [
calloused, thickened] having calluses; having skin made tough and thick through wear; "calloused skin"; "with a workman's callous hands"
. wn