Synonyms for callous

Verb

1. callous, cauterize, cauterise, inure, harden, indurate

usage: make insensitive or callous; deaden feelings or morals

Adjective

1. callous, thick-skinned, indurate, pachydermatous, insensitive (vs. sensitive)

usage: emotionally hardened; "a callous indifference to suffering"; "cold-blooded and indurate to public opinion"