Synonyms of knucklehead
- 1. dunce, dunderhead, numskull, blockhead, bonehead, lunkhead, hammerhead, knucklehead, loggerhead, muttonhead, shithead, dumbass, fuckhead, stupid, stupid person, stupe, dullard, dolt, pudding head, pudden-head, poor fish, pillock
- usage: a stupid person; these words are used to express a low opinion of someone's intelligence
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Definition and meaning of knucklehead (Dictionary)