annulment

annulment
    n 1: the state of being cancelled or annulled [syn:
         {revocation}, {annulment}]
    2: (law) a formal termination (of a relationship or a judicial
       proceeding etc) [syn: {annulment}, {invalidation}]
    3: the act of abrogating; an official or legal cancellation
       [syn: {abrogation}, {repeal}, {annulment}]
    

Annulment \An*nul"ment\, n. [Cf. F. annulement.]
   The act of annulling; abolition; invalidation.
   [1913 Webster]
    

96 Moby Thesaurus words for "annulment":
      abjuration, abjurement, abolishment, abolition, abrogation,
      absolute contradiction, annihilation, broken home, broken marriage,
      cancel, canceling, cancellation, cassation, choking, choking off,
      contradiction, contrary assertion, contravention, controversion,
      counterbalancing, countering, countermand, counterorder, crossing,
      decree of nullity, defeasance, denial, deracination,
      disaffirmation, disallowance, disavowal, disclaimer, disclamation,
      disownment, disproof, dissolution of marriage, divorce,
      divorcement, elimination, eradication, extermination, extinction,
      extinguishment, extirpation, forswearing, frustration, gainsaying,
      grasswidowhood, impugnment, interlocutory decree, invalidation,
      liquidation, negation, neutralization, nullification, offsetting,
      purge, recall, recantation, refutation, renege, renunciation,
      repeal, repudiation, rescinding, rescindment, rescission,
      retractation, retraction, reversal, revocation, revoke, revokement,
      rooting out, separate maintenance, separation, setting aside,
      silencing, snuffing out, stifling, strangulation, suffocation,
      suppression, suspension, thwarting, undoing, uprooting, vacation,
      vacatur, vitiation, voidance, voiding, waiver, waiving, withdrawal,
      write-off