verb

annul

to annul, to nullify, to invalidate

The court can annul the contract.

The court can annul the contract.

They decided to annul their marriage.

They decided to annul their marriage.

((sth.)) to declare (sth.) invalid The court can annul the contract.

Synonyms: cancel, invalidate, void; Antonyms: validate, confirm

From Latin 'ad' (to) + 'nullum' (nothing). Literally 'to bring to nothing'.

Think of making something 'null' or zero. To annul a marriage is to declare it never existed.

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