Crossword clues for the word: DUNCES The word DUNCES has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for DUNCES Showing 1 to 10 of 10 results Clue(s) Certain cap wearers Cone wearers Conical cap wearers Dolts Jesters' relatives Knuckleheads Low-IQ types The corner boys presumably don't have their thinking caps on? They may be cornered Wearers of conical caps