unreported
adj. B2 Upper Intermediate US //ˌənɹiˈpɔɹtɪd// UK //ˌʌnɹɪpˈɔːtɪd// un·re·port·ed
adj. not mentioned in a news story or official record. You use this to describe events that happened but were never shared with the public.
adj. not mentioned in a news report or official record. Often used to describe crimes or incidents that have not been documented by authorities or the media.
The police are looking for the unreported thefts.
Many small crimes remain unreported because the victims do not want to deal with the hassle of a police investigation.
The report highlights that a significant percentage of environmental violations remain unreported due to a lack of public awareness and the high cost of legal proceedings.