Crossword clues for the word: NONUSER The word NONUSER has appeared as an answer to at least 11 crossword clues on different crossword puzzles. Crossword clues for NONUSER Showing 1 to 11 of 11 results Clue(s) """Just say no"" sayer" Abstainer Abstaining individual Addict's antithesis Clean fellow Clean type Computer geek's antithesis He's clean One abstaining One who enjoys clean living Teetotaler