"Dissipatedly" means to behave in a reckless or careless way, especially when it comes to activities like drinking alcohol or spending money. Some synonyms for this word include "recklessly," "indulgently," "extravagantly," "heedlessly," and "wastefully." Other possible alternatives might include phrases like "with abandon," "without restraint," or "in a slovenly manner." Ultimately, there are many different words and phrases that can convey the same general sense of uninhibited or wasteful behavior, so it's important to choose the synonym that best fits the context in which you're writing.