Crossword clues for the word: FLATTER The word FLATTER has appeared as an answer to at least 12 crossword clues on different crossword puzzles. Crossword clues for FLATTER Showing 1 to 12 of 12 results Clue(s) "Use oil on, you might say" Become less effervescent (7) Become more suitable for steady cycling? Before noon (12) Butter up, say Compliment Compliment excessively Compliment student with less lean exterior Praise excessively Praise insincerely Sweet-talk Sweet-talk one who is less curvaceous?