|1.||[ noun ] an explosion that fails to occur|
|Related terms:||breakdown misfire|
|2.||[ noun ] (informal) someone who is unsuccessful|
|Related terms:||loser colloquialism|
|3.||[ adjective ] failing to detonate; especially not charged with an active explosive|
"he stepped on a dud mine"
|4.||[ noun ] an event that fails badly or is totally ineffectual|
"the first experiment was a real turkey" "the meeting was a dud as far as new business was concerned"
|Related terms:||flop fail|