annul
1. [ verb ] (law) declare invalid
Synonyms: invalidate avoid void nullify quash
Examples:

"The contract was annulled" "avoid a plea"

Related terms: validate cancel break stet nullifier invalidator nothingness annulment
2. [ verb ] annul by recalling or rescinding
Synonyms: repeal rescind lift vacate reverse overturn countermand revoke
Examples:

"He revoked the ban on smoking" "lift an embargo" "vacate a death sentence"

Related terms: cancel renege reverse abrogation reversal vacation revocation
Similar spelling:   annual
  anouilh
  anil
  anal
  annually
  anole
  anile
  anele
  Anello
  Annelle
  anneal
  Annalee