0 a letter that cannot be delivered to the address written on it and cannot be returned to the person who sent it: --
the dead-letter office
The worst that could happen would be that it would remain a dead letter.
It is not a dead letter; if it is there they will appeal.
I think that to do so is likely to bring a law into disrepute, and even, eventually, to make it a dead letter.
Labour was saying that that was a dead letter.
In a great measure it will be a dead letter.
I often feel that the legislation which exists at present is very much of a dead letter.
However, the time has come to move from words to actions so that the legislation in force ceases to be a dead letter.
Reforms have ground to a halt and those implemented are basically dead letter.
