World-weary is an adjective that describes someone who is tired or bored of the world and its problems. Antonyms for this word include enthusiastic, optimistic, and hopeful. If someone is enthusiastic, they are interested and excited about the world and its possibilities. If someone is optimistic, they have a positive outlook and believe that good things can happen in the world. And if someone is hopeful, they have trust and confidence that the world can improve and become better in the future. These antonyms offer a more positive and uplifting perspective on life, inspiring people to engage with the world around them and make a difference.