callous in French
callous in French
endurci
(figurative) Emotionally hardened; unfeeling and indifferent to the suffering/feelings of others.
insensible
(figurative) Emotionally hardened; unfeeling and indifferent to the suffering/feelings of others.
sans-cœur
(figurative) Emotionally hardened; unfeeling and indifferent to the suffering/feelings of others.
calleux
(literal) Having calluses, or relating to calluses.