Pronunciation: /dʌd/
noun an object or person that is considered useless or ineffective
A1 The firework was a dud and didn't go off.
A2 I bought a dud phone that stopped working after a week.
B1 The movie was a dud, with poor acting and a weak plot.
B2 The investment turned out to be a dud, resulting in a loss of money.
C1 The new product launch was a dud, failing to generate any interest from consumers.
C2 Despite high expectations, the concert was a dud, with the band delivering a lackluster performance.
formal The product turned out to be a dud, failing to meet the promised specifications.
informal I bought this new gadget but it's a total dud, doesn't even work properly.
slang That movie was a total dud, I fell asleep halfway through.
figurative His plan to start a business turned out to be a dud, failing to take off as expected.
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