De files is a word that means to make something messy or disorganized. If you are looking for antonyms for de files, you are searching for words that mean the opposite of making something messy. Some antonyms for de files include organize, tidy, clean, arrange, straighten, and sort. All of these words involve putting things in order, rather than making them more chaotic. For example, organizing your desk means putting everything in its proper place, rather than letting papers and supplies scatter about. Tidying up your room involves removing clutter and putting things away neatly. Cleaning a space means removing dirt and grime to make it spotless.