"Eat humble pie" is an idiomatic expression used to signify that someone has to publicly admit to their mistakes or apologize for their behavior. In contrast, antonyms of this phrase would include arrogant, prideful, and defiant conduct. People who have an arrogant attitude refuse to admit their mistakes, show a lack of humility, and consider themselves superior to others. Prideful individuals are also unwilling to apologize or show humility, and they value their own egos above everything else. Defiant individuals defy authority and do not like to own up to their mistakes, often justifying their actions rather than admitting their faults.