The antonyms for the word "un generous" are bounteous, charitable, generous, munificent, openhanded, philanthropic and unselfish. These words represent the opposite of ungenerous behavior or actions, and can often be used to describe people who exhibit a willingness to give freely or to help others without expecting anything in return. By being bounteous or charitable, in particular, one can show that they not only want to help others but they are happy to do so. When compared to being ungenerous, these characteristics can be seen as noble and admirable qualities. Overall, showing generosity can be a way to make a difference in someone's life and to demonstrate kindness and compassion to others.