Crossword clues for the word: FRIGHTFUL The word FRIGHTFUL has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for FRIGHTFUL Showing 1 to 5 of 5 results Clue(s) Awful Just sat on by female, that's terrible Loud and just awful Shocking, though seemingly quite proper to a fathead Very alarming or horrifying