- 1a person or thing that is unaccounted for cannot be found and people do not know what has happened to them or it At least 300 civilians are unaccounted for after the bombing raids.
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- 2not explained In the story he gave the police, half an hour was left unaccounted for.
unaccounted for
adjectiveNAmE//ˌʌnəˈkaʊntəd ˌfɔr//
[not before noun]Check pronunciation: unaccounted for