The most common and most likely answer to this crossword clue is the 16 letter word MANHATTANPROJECT which also is the latest solution we found used in New York Times in 1961.
Well-kept secret of W W II crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters |
|---|---|---|
| MANHATTANPROJECT | 100 % | 16 |
Words with a meaning similar to the clue: Well-kept secret of W W II
These words may or may not be a possible solution to this crosswords clue.- close
- skeleton
- past
- clandestine
- classified
- reveal
- nostrum
- confidential
- password
- age
- undisclosed
- deep-laid
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution