- the reversing of what has been done; annulling.
- a bringing to destruction, ruin, or disaster.
- a cause of destruction or ruin.
- the act of unfastening or loosing.
- an unconscious defense mechanism through which an attempt is made to reverse a psychologically unacceptable act by doing its opposite, usually repetitiously, in order to relieve anxiety.
- ruin; downfall
- the cause of downfall