annul Meaning, Definition & Usage

  1. verb declare invalid
    invalidate; void; nullify; quash; avoid.
    • The contract was annulled
    • void a plea
  2. verb cancel officially
    revoke; reverse; countermand; lift; vacate; overturn; repeal; rescind.
    • He revoked the ban on smoking
    • lift an embargo
    • vacate a death sentence

WordNet

An*nul" transitive verb
Etymology
F. annuler, LL. annullare, annulare, fr. L. ad to + nullus none, nullum, neut., nothing. See Null, a.
Wordforms
imperfect & past participle Annulled present participle & verbal noun Annulling
Definitions
  1. To reduce to nothing; to obliterate.
    Light, the prime work of God, to me's extinct. And all her various objects of delight Annulled. Milton.
  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.
    Do they mean to annul laws of inestimable value to our liberties? Burke.
    Syn. -- To abolish; abrogate; repeal; cancel; reverse; rescind; revoke; nullify; destroy. See Abolish.

Webster 1913