What is another word for ruthless?
Pronunciation: [ɹˈuːθləs] (IPA) 
Ruthless means without pity or compassion. Some synonyms for ruthless include heartless, unfeeling, callous, cold-blooded, savage, merciless, pitiless, and inhumane. These words all convey the same sense of cruelty and lack of empathy that ruthless does, but each has its own nuances. Heartless suggests an absence of feeling or sympathy; unfeeling suggests a lack of sensitivity or awareness of other people's emotions; callous implies a harder, more uncaring attitude; cold-blooded suggests a willingness to do whatever it takes to achieve one's goals; savage conveys a sense of primal violence; merciless implies a relentless persistence in hurting others; pitiless denotes an indifference to suffering; inhumane implies an utter disregard for the well-being of others.
