The antonyms for the term "more far ranging" are limited, confined, and restricted. The word "limited" refers to anything that has a fixed amount, which cannot be expanded further. "Confined" means a thing or an idea that is limited to a particular boundary, and cannot go beyond that limit. Lastly, "restricted" indicates any subject that is restrained, inhibited, or not allowed to go from one point to another. These antonyms act to limit the range of possibilities for the given term, thereby decreasing the potential for an idea to travel beyond a specific point.