freedom of choice; "liberty of opinion"; "liberty of worship"; "liberty--perfect liberty--to think or feel or do just as one pleases"; "at liberty to choose whatever occupation one wishes"
personal freedom from servitude or confinement or oppression
the act of leaving secretly or without explanation
the event of passing out of sight
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"