The most common and most likely answer to this crossword clue is the 6 letter word UNSNAP which also is the latest solution we found used in New York Times in 1987.
Open a fastening crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| UNSNAP | 100 % | 6 | 
Words with a meaning similar to the clue: Open a fastening
These words may or may not be a possible solution to this crosswords clue.- undo
 - unfasten
 - untie
 - extricate
 - disentangle
 - solve
 - undoing
 - discord
 - unlock
 - untangle
 - disengage
 - unravel
 
Crossword Answer definitions
UNSNAP verb- To unfasten (something held by snaps).
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution