Pronunciation: /ˈdʌndərˌhɛd/
noun a stupid or inept person
A1 He is such a dunderhead, always forgetting his keys.
A2 The dunderhead student failed to follow the simple instructions.
B1 The dunderhead manager made a series of costly mistakes.
B2 The dunderhead politician's speech was full of inaccuracies and contradictions.
C1 Despite his dunderhead reputation, he somehow managed to succeed in business.
C2 The CEO was shocked to discover that one of his top executives was a dunderhead.
formal The professor referred to the student as a dunderhead for not understanding the concept.
informal My brother can be such a dunderhead sometimes, always forgetting his keys.
slang Don't be a dunderhead and mess this up for us.
figurative His stubbornness made him appear like a dunderhead in front of his colleagues.
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