dis·ap·pear 
/ˌdɪsəˈpiɚ/ verb
dis·ap·pears; dis·ap·peared; dis·ap·pear·ing /ˌdɪsəˈpiɚ/ verb [no obj] 1 : to stop being visible : to pass out of sight
▪ The moon disappeared [=vanished] behind a cloud. ▪ The two men disappeared around the corner. 2 a : to stop existing : to die or go away completely
▪ The dinosaurs disappeared millions of years ago. ▪ Their original enthusiasm has all but disappeared. [=vanished] ▪ These problems won't just disappear by themselves.
b : to become lost : to go to a place that is not known
▪ My car keys have disappeared again. [=I can't find them] ▪ He disappeared without a trace two years ago. ▪ The speaker suddenly disappeared just before the beginning of the ceremony.
▪ The moon disappeared [=vanished] behind a cloud. ▪ The two men disappeared around the corner.
▪ The dinosaurs disappeared millions of years ago. ▪ Their original enthusiasm has all but disappeared. [=vanished] ▪ These problems won't just disappear by themselves.
b : to become lost : to go to a place that is not known
▪ My car keys have disappeared again. [=I can't find them] ▪ He disappeared without a trace two years ago. ▪ The speaker suddenly disappeared just before the beginning of the ceremony.
— dis·ap·pear·ance /ˌdɪsəˈpirəns/ noun, plural dis·ap·pear·anc·es
[noncount] ▪ We're witnessing the gradual disappearance of an old way of life. [count] ▪ Police are investigating several mysterious disappearances.
/ˌdɪsəˈpirəns/ noun, plural dis·ap·pear·anc·es [noncount] ▪ We're witnessing the gradual disappearance of an old way of life. [count] ▪ Police are investigating several mysterious disappearances.
