dead letter (noun)

1. In a world of magic and mystery, the dead letter carried a curse that haunted anyone who attempted to open it.

2. The artist painted a captivating image of a forgotten dead letter, symbolizing the lost connections and untold stories within.

3. Why did the dead letter go to therapy? Because it couldn't cope with being undelivered or returned!

4. The superhero comic featured a thrilling plot twist when the protagonist intercepted a dead letter containing valuable information.

1. The debate about the relevance of floppy disks is a dead letter now, it's become a joke among tech enthusiasts.

2. In the world of contemporary art, traditional painting techniques are considered a dead letter, as artists experiment with new mediums.

3. The portrayal of gender stereotypes in children's cartoons has become a dead letter, as more diversity is encouraged in animated shows.

4. In the age of online dating, the concept of writing love letters by hand has become a dead letter, replaced by electronic messages.