Crossword Genius

Nullify (4)

Ross

There are a few possibilities for this:

Which length description are you looking for?:

4

6

'nullify' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for undo that I've seen before include "Loosen; annul" , "Open, a knot say" , "Open buttons or ruin" , "set free" , "Unravel or ruin" .)

I've seen this clue in The Wall Street Journal, The Sunday Times, the King Feature Syndicate, The Sun and The Mirror.
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.