Renders ineffective (7)
I believe the answer is:
negates
(Other definitions for negates that I've seen before include "Repudiates" , "Counteracts" , "Nullifies" , "Cancels" , "Denies the truth of" .)
I believe the answer is:
negates
(Other definitions for negates that I've seen before include "Repudiates" , "Counteracts" , "Nullifies" , "Cancels" , "Denies the truth of" .)