The antonyms of the word "more public-spirited" are "less civic-minded", "self-centered", "egoistic", "selfish", and "narrow-minded." These words indicate a lack of interest or concern for others, and a focus on personal gain above the common good. In contrast, being public-spirited implies a willingness to work towards the betterment of one's community, and a genuine concern for the well-being of others. Public-spirited individuals are motivated by a sense of duty and a desire to contribute to the greater good, rather than simply pursuing their own interests. Encouraging public-spiritedness can lead to a more cohesive and harmonious society, and ultimately benefit everyone.