annuls

Verb

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

1. (transitive) To formally revoke the validity of.
   • If you ask how religion thus falls on the thorns and faces death, and in the very act annuls annihilation, I cannot explain the matter, for it is religion's secret, and to understand it you must yourself have been a religious man of the extremer type.1902, William James, “Lecture 2”, in The Varieties of Religious Experience: A Study in Human Nature […] , New York, N.Y.; London: Longmans, Green, and Co. […], →OCLC

   Antonyms:

   uphold

2. (transitive) To dissolve (a marital union) on the grounds that it is not valid.
3. (transitive) To cancel out.
   • They tried to reassure me but I was not able to annul my fears.