undoing

undoing
    n 1: an act that makes a previous act of no effect (as if not
         done)
    2: loosening the ties that fasten something; "the tying of bow
       ties is an art; the untying is easy" [syn: {untying},
       {undoing}, {unfastening}]
    

Undoing \Un*do"ing\, n.
   1. The reversal of what has been done.
      [1913 Webster]

   2. Ruin. "The utter undoing of some." --Hooker.
      [1913 Webster]
    

94 Moby Thesaurus words for "undoing":
      Waterloo, abasement, affliction, annulment, bane, beating, blight,
      bloodbath, blue ruin, breakup, cancellation, carnage, collapse,
      conquering, conquest, consumption, counterbalancing, crash, curse,
      damnation, deathblow, debacle, debasement, decimation, defeat,
      degradation, depredation, deprivation, descent, desolation,
      despoilment, despoliation, destroyer, destruction, devastation,
      disassembly, disgrace, disintegration, dismantlement,
      dismemberment, disorganization, disruption, dissolution, downfall,
      drubbing, failure, fall, frustration, havoc, hecatomb, hiding,
      holocaust, humiliation, invalidation, lambasting, lathering,
      licking, mastery, misfortune, mortification, neutralization,
      nullification, offsetting, overcoming, overthrow, overturn,
      perdition, quietus, ravage, ruin, ruination, shambles, shame,
      slaughter, smash, spoliation, stripping, subdual, subduing,
      subjugation, thrashing, thwarting, trimming, trouble, trouncing,
      vandalism, vanquishment, vitiation, voiding, waste, whipping,
      wrack, wrack and ruin, wreck