There are a few different antonyms that could be applied to the word "catalogged," depending on the specific meaning being conveyed. If we are taking "catalogged" to mean "organized into a catalog," a possible antonym could be "disorganized." Alternatively, if we are taking "catalogged" to mean "listed in a catalog," an antonym could be "unlisted" or "un-catalogued." Another possible antonym could be "de-catalogued," indicating that something has been removed from a catalog or is no longer considered part of a cataloged collection. Ultimately, the appropriate antonym for a given usage of "catalogged" will depend on the context and the intended meaning.