- noun1. the act of leaving secretly or without explanation (Freq. 4)• Syn: ↑disappearing• Ant: ↑appearance• Hyponyms: ↑vanishing2. the event of passing out of sight (Freq. 1)• Ant: ↑appearance• Derivationally related forms: ↑disappear3. gradually ceasing to be visible (Freq. 1)• Syn: ↑fade4. 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
Useful english dictionary. 2012.