Crossword clues for the word: FLARESUP The word FLARESUP has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for FLARESUP Showing 1 to 5 of 5 results Clue(s) "Comes back, in a way" "Returns, as an injury" Gets angry – sure is worried and in a panic Suddenly intensifies Sure gets worried and in a flap when one gets angry