Bloody-mindedness is a term used to describe someone who is obstinate and determined to have their own way, despite any objections or evidence to the contrary. If you're looking for synonyms for this phrase, there are plenty of alternatives. Stubbornness, pigheadedness, and uncompromisingness all convey similar meanings. Similarly, resoluteness, determination, and tenacity can also describe someone who refuses to back down or change their mind. If you're looking for words that convey a sense of aggression or hostility, you might consider belligerence, pugnacity, or bellicosity. Regardless of the context, there are plenty of ways to describe someone who is bloody-minded.