| Clue | Length | Answer |
|---|---|---|
| Undeliverable piece of mail | 5 letters | nixie |
| ||
| Undeliverable piece of mail | 10 letters | deadletter |
Likely related crossword puzzle clues
- It's undeliverable
- Not a quick delivery?
- unclaimed mail
- Kind of office
- One with nothing vital to communicate?
- Uncalled for correspondence
- unenforced law
- Law no longer observed
- Undeliverable mail item
- Spooner led debtor to undelivered mail
- Law no longer enforced
- Undeliverable piece of mail
- A communication from the spirit world?
- Practice no longer observed
- Water sprite
- Undeliverable piece of ma
- Undeliverable piece of mail
- Dead letter, in post office talk