📖 WordNook

dud

adjective
  1. failing to detonate
    “It was a dud rocket.”
noun
  1. an event that fails badly or is totally ineffectual
    “People looked forward to the new product, but the demo was a dud.”
    turkey
  2. an explosion that fails to occur
    “The mortar was a dud.”
    misfire
  3. someone who is unsuccessful
    “The new goalkeeper turned out to be a dud.”
    flop