The word "ranchland" generally refers to land used for ranching purposes, such as raising livestock or growing crops. The opposite of ranchland could be referred to as wilderness, forestland, or even urban infrastructure such as buildings, roads, and other urban features. Alternatively, it could refer to land primarily used for agricultural purposes, such as farmland or cropland. Many adjectives could be used to describe the opposite of ranchland, such as uninhabited, wild, sparsely populated, or undeveloped. Ultimately, the opposite of ranchland will depend on the context in which it is being used, and the specific qualities being referenced.