annulment

noun5

1. •
   An act or instance of annulling.

   • The marriage was declared void by an official annulment.
   • They sought an annulment instead of a divorce.
2. •
   The state of having been annulled.
3. •
   An invalidation of something, especially a legal contract.
4. •
   A legal (notably judicial) declaration that a marriage is invalid; the procedure leading to it.
5. •
   (no longer used) Total destruction.