Crossword Genius

"— so fast!” (3)

Ross

I believe the answer is:

not

(Other definitions for not that I've seen before include "Type of logic gate" , "It negates a word" , "Negatory word" , "Ton (anag.)" , "A negative word" .)

I've seen this clue in the King Feature Syndicate and The Wall Street Journal.
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.