When it comes to antonyms for the word "un-organized", there are a few options to consider. The first and most obvious antonym is "organized." Being organized means having order, structure, and a plan in place. Other antonyms for un-organized might include "methodical," "systematic," "neat," "tidy," "well-arranged," "coordinated," and "efficient." All of these words convey a sense of order and direction, traits that un-organized lacks. Whether you are describing a person, place, or thing, using antonyms for un-organized can help convey a sense of precision, attention to detail, and a successful approach to life.