WordWeb Online

1. The act of leaving secretly or without explanation
   - disappearing
    
2. The event of passing out of sight
    
3. Gradually ceasing to be visible
   - fade
    
4. Ceasing to exist
   "he regretted the disappearance of Greek from school curricula"; "what was responsible for the disappearance of the rainforest?"; "the disappearance of resistance at very low temperatures"

Derived forms: disappearances

Type of: conclusion, departure, ending, going, going away, happening, leaving, natural event, occurrence, occurrent, termination

Antonym: appearance

Encyclopedia: Disappearance