Crossword clues for the word: GADFLY The word GADFLY has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for GADFLY Showing 1 to 6 of 6 results Clue(s) "Persistent, irritating critic" Annoying critic Annoying type of Biblical figure informs Pilate Annoying type of grotesque, extreme advertisement on Dart Provocative pest The —, 1897 novel by E L Voynich