annulment has definitions from the fields of law,politics
1
[ noun ] a formal termination (of a relationship or a judicial proceeding etc)

Synonyms

invalidation

2
[ noun ] the state of being cancelled or annulled

Synonyms

revocation

Related terms

state

3
[ noun ] (law,politics) the act of abrogating; an official or legal cancellation

Synonyms

repeal abrogation

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