CALLOUS Synonyms: 113 Similar and Opposite Words - Merriam-Webster
https://www.merriam-webster.com/thesaurus/callous
WEBSynonyms for CALLOUS: ruthless, merciless, heartless, stony, hard, abusive, insensitive, cruel; Antonyms of CALLOUS: sympathetic, warm, sensitive, charitable, compassionate, merciful, humane, gentle
DA: 16 PA: 80 MOZ Rank: 68