The term 'Less Developed Nations' invokes a sense of backwardness and underdevelopment. However, antonyms for this term highlight the progress, prosperity, and advancements made by some nations in the world. Developed nations, industrialized nations, advanced nations, modern nations, and high-income nations are some antonyms that can be used to replace 'Less Developed Nations.' Developed nations typically have high levels of economic prosperity, social development, and technological advancement, providing their citizens with high living standards. These nations usually have cutting-edge infrastructure, advanced technologies, and strong institutions that promote good governance, stability, and inclusivity. Overall, these antonyms remind us that economic, social, and technological development is possible and that every nation has the potential to become a developed nation.