annul - Wiktionary, the free dictionary (original) (raw)

From Wiktionary, the free dictionary

From Middle English annullen, from Old French anuller, from Latin annullō (“annihilate, annul”), from ad (“to”) +‎ nūllus (“none, not any”).

annul (third-person singular simple present annuls, present participle annulling, simple past and past participle annulled)

  1. (transitive) To formally revoke the validity of.
    Antonym: uphold
  2. (transitive) To dissolve (a marital union) on the grounds that it is not valid.

dissolve (a marital union)