dud

 
Pronunciation: /dʌd/
informal

noun

  • 1a thing that fails to work properly or is otherwise unsatisfactory or worthless: all three bombs were duds
  • an ineffectual person: a complete dud, incapable of even hitting the ball
  • 2 (duds) clothes: buy yourself some new duds

adjective

  • not working or meeting standards; faulty: a dud ignition switch
  • counterfeit: she was charged with issuing dud cheques

Origin:

Middle English (in the sense 'item of clothing'): of unknown origin