annulment
noun
[ əˈnʌlm(ə)nt ]
• the act of annulling something.
• "the applicant sought the annulment of the decision"
Similar:
invalidation,
nullification,
voiding,
repeal,
cancellation,
rescinding,
reversal,
revocation,
setting aside,
abolition,
abrogation,
rescindment,
withdrawal,
countermanding,
quashing,
rescission,
disannulment,
negation,
recall,