Crossword clues for the word: WHISTLES The word WHISTLES has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for WHISTLES Showing 1 to 10 of 10 results Clue(s) "Bells & ___, slang for options" Brief campaign appearance Emulates a teapot Referees' needs Shrill sounds Shrill sounds made through pursed lips Sounds from a teakettle They hang around referees Train warnings Warning sounds made by an approaching train