Synonyms of callous in English:

callous


See US English definition of callous

See UK English definition of callous

See Spanish definition of insensible

adjective

1‘his callous disregard for the feelings and wishes of others’

SYNONYMS
heartless, unfeeling, uncaring, cold, cold-hearted, hard, as hard as nails, hard-hearted, with a heart of stone, stony-hearted, insensitive, lacking compassion, hard-bitten, cold-blooded, hardened, case-hardened, harsh, cruel, ruthless, brutal
unsympathetic, uncharitable, indifferent, unconcerned, unsusceptible, insensible, bloodless, soulless
informal hard-boiled
rare indurate, indurated, marble-hearted
ANTONYMS

kind, compassionate