Declare (a law) invalid (5)
I believe the answer is:
annul
(Other definitions for annul that I've seen before include "Cancel, say a law" , "Invalidate" , "Scrap" , "Obligation" , "Nullify" .)
I believe the answer is:
annul
(Other definitions for annul that I've seen before include "Cancel, say a law" , "Invalidate" , "Scrap" , "Obligation" , "Nullify" .)