The most common and most likely answer to this crossword clue is the 5 letter word NIXIE which also is the latest solution we found used in Newsday in 2013.
Undeliverable letter crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters |
|---|---|---|
| NIXIE | 100 % | 5 |
Words with a meaning similar to the clue: Undeliverable letter
These words may or may not be a possible solution to this crosswords clue.- nixie
- dead-letter office
- archived
- receive
- assemble
- commendatory
- duplicate
- incoming
- postal
- priority
- unread
Crossword Answer definitions
NIXIE noun- A female nix, a water-spirit.
- A piece of mail returned as undeliverable.
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution