English version

dead letter

From Longman Dictionary of Contemporary English
Related topics: Mail
dead letterˌdead ˈletter noun [countable]  1 USEFUL#a law, idea etc that still exists but that people no longer obey2 TCMa letter that cannot be delivered or returned
Examples from the Corpus
dead letterThe fact that the postwar treaty had been a dead letter for many years did not worry either party.An arts education is a dead letter for many students.Theoretical reasoning is a dead letter to the child unless it is closely anchored to practical issues.
Pictures of the day
Do you know what each of these is called?
Click on the pictures to check.