disappears
v. A2 Elementary US //ˌdɪsəˈpiɹz// UK //dˌɪsɐpˈiəz// dis·ap·pears
v. to stop being visible or to go away suddenly. You use this when something is lost or when you can no longer see it.
v. to cease to be visible; to pass out of sight or existence. Intransitive — does not take a direct object.
The sun disappears behind the clouds.
Every winter, the local wildlife disappears into the deep forest to find shelter from the snow.
As the morning fog lifts, the outline of the distant mountain range slowly disappears into the bright glare of the rising sun.
Usage
The verb is intransitive and cannot be used in the passive voice.
Pitfall
The keys were disappearedThe keys disappearedDisappear is intransitive and cannot be used in the passive voice; things simply disappear on their own.