The most common and most likely answer to this crossword clue is the 4 letter word RBIS which also is the latest solution we found used in New York Times in 2020.
Four for a grand slam, briefly crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| RBIS | 100 % | 4 | 
Words with a meaning similar to the clue: Four for a grand slam, briefly
These words may or may not be a possible solution to this crosswords clue.- slamming
 - court
 - vole
 - sweep
 - williams
 - time
 - shot
 - don
 - ashe
 - little
 - unai
 - air
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution