Definition of Dud

a thing that fails to work correctly or is otherwise useless

Examples of Dud in a sentence

One of the big fireworks we bought exploded in the night while the other was a useless dud.  

After it turned out to be a dud, we returned the defective ink cartridge to the print shop.  

Disappointed that her marketing idea was a dud, the business owner tried to come up with a successful way to attract customers.  

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