The most common and most likely answer to this crossword clue is the 3 letter word OED which also is the latest solution we found used in New York Times in 2021.
Ref work that took more than 70 years to complete crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters |
|---|---|---|
| OED | 100 % | 3 |
Words with a meaning similar to the clue: Ref work that took more than 70 years to complete
These words may or may not be a possible solution to this crosswords clue.- better
- vetter
- outwork
- all
- cavalier
- clean
- long
- serve
- era
- join
- cover
- covers
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution