Tough, Insensitive to Other People's Feelings
This page is the CodyCross answer for the clue below from Art Museum, Group 724, Puzzle 4 (Illustrations).
Question is: Tough, Insensitive to Other People's Feelings
and the answer is: CALLOUS
Word Meaning:
CALLOUS — (figurative) Emotionally hardened; unfeeling and indifferent to the suffering/feelings of others.
Definitions from Wiktionary.