Definition of "knuckleheaded" []

• Stupid or inept, like a knucklehead. (adjective)

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• "He was trying to form himself, and then we got kind of knuckleheaded and kind of pushed everything aside."
• "This is not only an extremely nasty piece, it is the kind of knuckleheaded blathering you find in the American political discourse - coarse, ignorant, seething and disreputable."
• "And your problem with this is ...? it is the kind of knuckleheaded blathering you find in the American political discourse"