Crossword clues for the word: OXX The word OXX has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for OXX Showing 1 to 4 of 4 results Clue(s) Another tic-tac-toe line Losing game line Losing line in tic-tac-toe Part of a coach's chalk-talk diagram