← BackshareGuessduncish/ˈdʌnsɪʃ/adjectiveStupid or slow to learn; like a dunce.She felt duncish when she couldn't solve the simple puzzle.The duncish comment earned him a few laughs, but no respect.His duncish behavior in class made the teacher sigh.SynonymsdullslowstupidAntonymsbrightclever