noun
the act of disappearing; a state or instance of vanishing or being lost
-
The police are investigating the mysterious disappearance of the valuable artwork from the museum.
-
Have you heard about the sudden disappearance of our neighbor's cat?
-
I can't believe the disappearance of my favorite hoodie, it's like it vanished into thin air.
-
The disappearance of trust between them was palpable, their relationship irreparably damaged.