Crossword Genius

Declare invalid (7)

Ross

I think it could be either:

Which length description are you looking for?:

5

7

nullify

'declare invalid' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for nullify that I've seen before include "In fully (anag.)" , "Make void" , "Make invalid" , "Invalidate" , "Declare invalid" .)

I've seen this clue in The Telegraph and The Guardian.
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.