Crossword clues for the word: HISSING The word HISSING has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for HISSING Showing 1 to 9 of 9 results Clue(s) "Showing disapproval, in a way" Action by audience may arouse sighs in actors Blowing off steam? Booing & ... Ominous jungle sound Sibilating Sound of disapproval Sounding like a mad cat Sounding like a snake