General Definition: 1. Of some thing or process, to no longer be able to be seen or be detected because it has either gone somewhere else or because it has ceased to exist entirely, or any thing or any action that can be associated with this in a given context. As a Noun: 1. The act of becoming unable to be seen or experienced by going somewhere else, by changing in some way, or by becoming smaller and smaller or less and less. English = disappearance, vanishing. 2. The end of existence of things of a particular type, especially species of animals, after they have become less and less common. English = extinction. 3. The formal end of something like a custom, practice or a legal entitlement or law. English = abolishment. 4. The situation in which something has been stopped from happening or is no longer valid. English = cancellation. As a Verb or Adjective: 1. To become unable to be seen or experienced by going somewhere else, by changing in some way, or by becoming smaller and smaller or less and less. English = disappear, vanish, go away. 2. To disappear suddenly and completely. English = vanish. 3. To formally put an end to something like a custom, practice or a legal entitlement or law. English = abolish. 4. To stop something happening that has been arranged to happen; of a prearranged event, to be no longer happening. English = cancel; (be) cancelled. 5. Of things of a particular type, especially species of animals, to become less and less common until something no longer exists. English = become extinct, die out.