The antonyms for the word "ruralness" are urbanity, metropolitan, city, cosmopolitanism, and modernity. These words refer to the opposite of a rural or rustic setting, characterized by a lack of development, a slower pace of life, and a connection to nature. Instead, they describe areas that are densely populated, highly developed, and fast-paced, with a more sophisticated and contemporary way of life. Urban areas tend to be hubs of commerce and innovation, with access to modern amenities and infrastructure, while rural areas are often more traditional and focused on farming, agriculture, and natural resources. These antonyms highlight the differences between urban and rural life and the cultural and societal values that define them.