Crossword clues for the word: DUBIOUS The word DUBIOUS has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for DUBIOUS Showing 1 to 7 of 7 results Clue(s) "Doubtful" Call admissions of debt suspicious Call debtor's notes vague Questionable Suspect calls with promise To confer knighthood for promises of cash, is questionable Uncertain