Capricious composition can be described in many ways, depending on the context and the tone of the language used. Some possible synonyms for this phrase include unpredictable arrangement, fickle structure, whimsical construction, erratic formation, volatile organization, and unstable design. Each of these synonyms captures a slightly different nuance of the original term, emphasizing different aspects of the quality of capriciousness. While some of these synonyms suggest a sense of playfulness or creativity, others suggest a sense of unreliability or inconsistency. By using these various synonyms, writers can convey a more nuanced and precise meaning, tailored to their specific message and audience.