Definition of knucklehead in English:

knucklehead

noun

informal
  • A stupid person.

    • ‘If that's the case, then I hope they're cuter than these two knuckleheads sitting in front of me.’
    • ‘I'm sure the crowd has a proportion of knuckleheads who still could turn nasty.’
    • ‘You'll meet lots of knuckleheads before you meet the right one.’
    • ‘We had the knuckleheads, troublemakers, drinkers, the terminally unlucky and the hopeless dreamers.’
    • ‘But while the Jackass guys may play knuckleheads on TV, they actually appear to be quite shrewd.’
    • ‘You two knuckleheads have once more violated a school policy.’
    • ‘‘It felt good, but the part that was the best was thinking about all those knuckleheads who told me to quit,’ she recalls.’
    • ‘While sitting on the side of the road with nothing to do, the two knuckleheads decided to smoke a joint.’
    • ‘Life is often like that: a few knuckleheads spoiling things for the rest of us.’
    • ‘And now we've got these knuckleheads walking around.’
    • ‘These two knuckleheads don't know when to let go.’
    • ‘There are a few knuckleheads in every branch and specialty in the military.’
    • ‘Sure, I love the little knucklehead, but frankly, I wouldn't lend the guy a nickel.’
    • ‘Where are those two knuckleheads that let you in?’
    • ‘We ought to pull back the police in this country because in my opinion, having worked with some of these knuckleheads, they are out of control.’
    • ‘There is another truth that the knuckleheads don't get.’
    • ‘I am having a hard time visualizing this, but I'm a knucklehead.’
    • ‘Of course, there were a few knuckleheads, but I was prepared to take care of myself.’
    • ‘Alright knuckleheads, get ready to scream your brains out!’
    • ‘I'm starting to think that my parents love the knuckleheads more than they love me!’
    idiot, ass, halfwit, nincompoop, blockhead, buffoon, dunce, dolt, ignoramus, cretin, imbecile, dullard, moron, simpleton, clod
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Pronunciation

knucklehead

/ˈnʌk(ə)lhɛd/