Crossword clues for the word: DEFRAG The word DEFRAG has appeared as an answer to at least 2 crossword clues on different crossword puzzles. Crossword clues for DEFRAG Showing 1 to 2 of 2 results Clue(s) "Reorganize computer data to improve performance, informally" ABC followers scrap the work done by a geek on a sloppy disk (6)