The most common and most likely answer to this crossword clue is the 4 letter word DDAY which also is the latest solution we found used in New York Times in 2011.
When to begin an operation crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters |
|---|---|---|
| DDAY | 100 % | 4 |
Words with a meaning similar to the clue: When to begin an operation
These words may or may not be a possible solution to this crosswords clue.- open
- commence
- start
- strat
- turn
- turned
- zero hour
- fire
- recycle
- restart
- switch
- break-in
Crossword Answer definitions
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution