"404 Page Not Found,” e.g. (5)

Ross

I believe the answer is:

error

(Other definitions for error that I've seen before include "Faux pas" , "1 down" , "Mistake, lapse" , "Fallacy, mistake" , "Miscalculation" .)

I've seen this clue in the Universal 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.