Crossword clues for the word: JAMMER The word JAMMER has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for JAMMER Showing 1 to 7 of 7 results Clue(s) "Jazz musician, at times" "Jazzman, at times" Garbler of radio programs. Radio signal interferer Roller derby scorer Signal-blocking device Wind follower?