Abrogate (5)
'abrogate' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for annul that I've seen before include "Make invalid" , "Declare (a law) invalid" , "Cancel, say a law" , "Cancel or render void" , "Cancel, revoke" .)
'abrogate' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for rescind that I've seen before include "Cancel (regulation)" , "Revoke (order)" , "Withdraw (decree)" , "Annul - discern (anag)" , "Revoke (a law/order)" .)