dud
/dʌd/ (bre, ipa) · /dʌd/ (ame, ipa) · /ˈdəd/ (ame, mw)
dud — noun
- dudsingular
- dudsplural
1. something that does not work the way it should, or something that turns out to b
something that does not work the way it should, or something that turns out to be useless or disappointing.
We bought a coffee machine, but it was a dud that stopped after three days.
a dud: a product that fails to work
The highly anticipated movie turned out to be a total dud.
Ahmed spent weeks on the business deal, but it was a dud from the start.
Three of the ten light bulbs were duds that would not light up.
- success
something that works well or achieves its goal
文法句型
a dud
turns out to be a dud
用法筆記
Often used informally about products, plans, or events that fail to deliver the expected result. More emphatic and casual than 'failure'.
常見錯誤
2. a bomb, shell, or missile that fails to explode when it is supposed to.
a bomb, shell, or missile that fails to explode when it is supposed to.
Army teams cleared the area after discovering a dud from the war.
a dud: unexploded ordnance
Construction workers stopped the project when their digger hit a dud buried underground.
Specialists were sent in to safely remove the dud from the old training ground.
The old mortar shell was a dud, and the neighbours were never in danger.
- misfire
refers to a gun or shot that fails to fire, not the bomb itself
文法句型
a dud
用法筆記
This is the original literal meaning of 'dud'. Used in military and historical contexts. Often describes bombs or shells from past wars found long after the conflict ended.
3. a person's clothes or outfit, especially when considered for a particular purpos
a person's clothes or outfit, especially when considered for a particular purpose or activity.
Mateo put on his best duds for the wedding and headed out the door.
informal British: duds = clothes
The party guests wore their smartest duds, and Nico felt underdressed in his old jeans.
The football team travelled in their matching tracksuit duds for the away game.
Yuki wore her gardening duds, old trousers and a worn T-shirt, while planting flowers.
文法句型
duds
用法筆記
Always used in the plural form 'duds'. Purely informal and strongly associated with British English. Younger speakers may use it playfully. Not appropriate in formal or academic writing.
常見錯誤
dud — adjective
- dudpositive
- duddercomparative
- duddestsuperlative
1. not working correctly, or of such poor quality that it has no real value or use.
not working correctly, or of such poor quality that it has no real value or use.
The mechanic said the car's battery was dud and needed replacing immediately.
predictive use: be dud
We wasted money on a dud phone that froze every time we opened an app.
attributive use: a dud phone
Aisha knew the old charger was dud when her laptop battery stayed at zero for hours.
The company recalled a batch of dud smoke detectors that failed to sound during tests.
文法句型
a dud + noun
be dud
用法筆記
Informal — used in everyday conversation but not in formal reports or academic writing. Can be used before a noun ('a dud battery') or after 'be' ('the battery is dud').