annulment

Recorded since the 15th century (sense destruction); from to annul (from Middle English annullen, from Middle French annuller, from Latin annullare, from ad 'to' nullus 'not any, nothing' + verbal ending -are)+ -ment 'means to' (from Latin -mentum)

• IPA^(key): /əˈnʌl.mənt/

annulment (countable and uncountable, plural annulments)

1. An act or instance of annulling.
2. The state of having been annulled.
3. (law) An invalidation of something, especially a legal contract.
4. (law) A legal (notably judicial) declaration that a marriage is invalid; the procedure leading to it.
5. (archaic) Total destruction.

• abolition
• nullification (cognate)
• cancellation