dud

Từ điển Oxford Advanced Learner 8th

dud [dud duds] noun, adjective BrE [dʌd] NAmE [dʌd]
noun
1. countable (informal)a thing that is useless, especially because it does not work correctly
•Two of the fireworks in the box were duds.
2. dudsplural (slang)clothes

Word Origin:
Middle English (in the sense ‘item of clothing’): of unknown origin.
 
adjective only before noun
useless; that does not work correctly
•a dud battery
•a dud cheque (= written by sb who has not enough money in their bank account)

Word Origin:
Middle English (in the sense ‘item of clothing’): of unknown origin.
 

• Từ đồng nghĩa / Synonyms:
  turkey, bomb, misfire, flop, washout