Crossword Genius

Baseball pitcher's feat, informally (4)

Ross

I believe the answer is:

nono

(Other definitions for nono that I've seen before include "Unacceptable thing" , "Something not acceptaable" , "Impossibility" , "Failure (colloq.)" , "Italian composer" .)

I've seen this clue in The New York Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.