A dead duck
noun
A person or thing that is no longer important or effective.
With the emergence of new technologies, old systems are becoming a dead duck.

Often appears as...
- becoming a dead duck
- declared a dead duck
Usage tips
Colloquial,Idiomatic
noun
A plan or an idea that will not work or succeed.
His proposal to build a new stadium is a dead duck because of funding issues.

Often appears as...
- plan is a dead duck
- idea is a dead duck
Usage tips
Idiomatic
noun
A person or thing that is no longer important or effective.
With the emergence of new technologies, old systems are becoming a dead duck.

Often appears as...
- becoming a dead duck
- declared a dead duck
Usage tips
Colloquial,Idiomatic
noun
A plan or an idea that will not work or succeed.
His proposal to build a new stadium is a dead duck because of funding issues.

Often appears as...
- plan is a dead duck
- idea is a dead duck
Usage tips
Idiomatic
Definition 1 of 2

Idiomatic Use
This phrase is a metaphor, not meant to describe an actual duck.

After the scandal, the politician was a dead duck in his party.
Informal Context
Best used in casual conversations, not in formal writing or speeches.

When the app crashed constantly, it became a dead duck.
Cultural Nuance
This phrase might be misunderstood in cultures where idiomatic expressions are uncommon.

Make sure you explain what 'a dead duck' means to your foreign colleagues.
Idiomatic Use
This phrase is a metaphor, not meant to describe an actual duck.

After the scandal, the politician was a dead duck in his party.
Informal Context
Best used in casual conversations, not in formal writing or speeches.

When the app crashed constantly, it became a dead duck.
Cultural Nuance
This phrase might be misunderstood in cultures where idiomatic expressions are uncommon.

Make sure you explain what 'a dead duck' means to your foreign colleagues.
Idiomatic Use
This phrase is a metaphor, not meant to describe an actual duck.

After the scandal, the politician was a dead duck in his party.
Informal Context
Best used in casual conversations, not in formal writing or speeches.

When the app crashed constantly, it became a dead duck.
Cultural Nuance
This phrase might be misunderstood in cultures where idiomatic expressions are uncommon.

Make sure you explain what 'a dead duck' means to your foreign colleagues.
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