noun which may take the genitive case particle 'no', noun
missing; unaccounted for; whereabouts unknown
Primarily used for people whose location is unknown, often in serious contexts such as disasters, accidents, or disappearances. Can also be used for objects in formal or official language.
After the earthquake, many people are missing.
彼の行方不明の財布がようやく見つかった。
His missing wallet was finally found.
After the earthquake, many people went missing.
He has remained missing since ten years ago.
The police are searching for the boy as a missing person.