The phrase "in a jumble" can be replaced with many different synonyms that convey a similar sense of confusion or disorganization. One such synonym is "chaotic," which suggests a lack of order or structure. Other similar words include "disordered," "muddled," "cluttered," and "jumbled." Each of these words conveys a sense of disorder, either in physical space or in thought process. When describing a messy room or cluttered desk, these synonyms can help to paint a vivid picture of the disarray. In a more abstract context, they can hint at a lack of focus or clarity. Ultimately, choosing the right synonym depends on the context and the intended tone of the writing.