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disappear

disappear /ˌdɪsəˈpiɚ/ verb
disappears; disappeared; disappearing
disappear
/ˌdɪsəˈpiɚ/
verb
disappears; disappeared; disappearing
Britannica Dictionary definition of DISAPPEAR
[no object]
: to stop being visible : to pass out of sight
: to stop existing : to die or go away completely
: to become lost : to go to a place that is not known

— disappearance

/ˌdɪsəˈpirəns/ noun, plural disappearances
[noncount]
[count]