The antonyms for the word "more uncollected" are "less uncollected," "gathered," and "collected." The term "uncollected" refers to something that has not been gathered, collected, or organized. Therefore, when we use its antonyms, we imply that the particular thing or situation is under control, in order, or has been collected. In other words, we use the antonyms of "more uncollected" to convey the opposite meaning, where things are in good order, and there is no chaos or confusion. For instance, "the books on the shelf were less uncollected" means that they were in a tidy manner, arranged in order.