The antonyms for the word "un-worked" could be "worked," "finished," "completed," "polished," or "refined." Where "un-worked" means something has not been processed or given attention, "worked" implies an action of taking an item and doing something with it, such as altering or improving it. "Finished" or "completed" means that something has gone through a process of being worked on and is now considered done. "Polished" implies something has been refined, fine-tuned, or made smooth by taking extra care and attention, making it look cleaner and more elegant. Therefore, the antonyms for "un-worked" provide a range of words that imply something has gone through a process of refinement, attention, and care.