Crossword clues for the word: FLATDENIAL The word FLATDENIAL has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for FLATDENIAL Showing 1 to 5 of 5 results Clue(s) """Absolutely not,"" e.g." """In no way, shape or form,"" e.g." A plain no? A refutation issued from home? Negation issued from home?