8 letters · 13 points in Scrabble
adjective lacking and reflecting lack of pity or compassion
originOriginally a variant spelling and pronunciation of inhuman, ultimately from Latin inhūmānus; it appears to have died out 17c. but returned c. 1822, probably a reformation as a negative of humane from in- + humane.
Etymology from Wiktionary, CC BY-SA 3.0