annul

Verb

Synonyms: invalidate quash void avoid nullify revoke lift countermand reverse repeal overturn rescind

WordNet 3.0

Verb (2)

declare invalid“The contract was annulled”“void a plea”Synonyms: invalidate quash void avoid nullify
cancel officially“He revoked the ban on smoking”“lift an embargo”“vacate a death sentence”Synonyms: revoke lift countermand reverse repeal overturn rescind vacate

Webster's Dictionary (GCIDE)

Annul \An*nul"\, v. t. [imp. & p. p. Annulled; p. pr. & vb. n. Annulling.] [F. annuler, LL. annullare, annulare, fr. L. ad to + nullus none, nullum, neut., nothing. See Null, a.]

1.To reduce to nothing; to obliterate. [1913 Webster]

Light, the prime work of God, to me's extinct. And all her various objects of delight Annulled.— Milton.[1913 Webster]

2.To make void or of no effect; to nullify; to abolish; to do away with; -- used appropriately of laws, decrees, edicts, decisions of courts, or other established rules, permanent usages, and the like, which are made void by component authority. [1913 Webster]

Do they mean to annul laws of inestimable value to our liberties?— Burke.[1913 Webster]

Syn: To abolish; abrogate; repeal; cancel; reverse; rescind; revoke; nullify; destroy. See Abolish. [1913 Webster]