The most common and most likely answer to this crossword clue is the 3 letter word DUD which also is the latest solution we found used in New York Times in 2020.
Effort that goes "Pfft!" crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| DUD | 100 % | 3 | 
Words with a meaning similar to the clue: Effort that goes "Pfft!"
These words may or may not be a possible solution to this crosswords clue.- anticlimax
 - end
 - fail
 - die
 - bull
 - back
 - blow
 - crash
 - doing
 - everything
 - front
 - get
 
Crossword Answer definitions
DUD noun- A device or machine that is useless because it does not work properly or has failed to work, such as a bomb, or explosive projectile.
 - A failure of any kind.
 - Clothes, now always used in plural form duds.
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution