Crossword clues for the word: FESSUP The word FESSUP has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for FESSUP Showing 1 to 9 of 9 results Clue(s) "Admit, colloquially" "Tell all, informally" Admit to everything Admit to wrongdoing Come clean? Finally admit, say Make an admission Reveal a secret say Stop making excuses