The most common and most likely answer to this crossword clue is the 4 letter word NANO which also is the latest solution we found used in Washington Post in 2000.
Billionth opener crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters |
|---|---|---|
| NANO | 100 % | 4 |
Words with a meaning similar to the clue: Billionth opener
These words may or may not be a possible solution to this crosswords clue.- byte
- eve
- war
- aire
- christian
- oreo
- snooker
- spat
- spats
- old
- pounder
- abhenry
Crossword Answer definitions
NANO noun- Nanotechnology.
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution