heart·less 
/ˈhɑɚtləs/ adjective
/ˈhɑɚtləs/ adjective [more heartless; most heartless] : very cruel
▪ a heartless person/act
▪ a heartless person/act
— heart·less·ly adverb
▪ She rescues pets that have been heartlessly abandoned.
▪ She rescues pets that have been heartlessly abandoned.
— heart·less·ness noun [noncount]
