callous (adjective) callous: cruel, insensitive
Detalii: callus is a hard patch of skin; callous is an adjective meaning 'indifferent to suffering' or 'hardened'
Sinonime: chickenheartedness, cowardliness, faint-heartedness, fearfulness, pusillanimity, pusillanimousness, spinelessness, timidity, unmanliness
Antonime: compassionate,
feeling,
kind,
nice,
sensitive,
sympathetic,
tender