unobserved
Word family adjectiveunobservantunobservedunobservingunoffendedunoffendingadverbunobservedlynoununobservance
un·ob·served /ˌʌnəbˈzɜːvd $ -ɜːrvd/ adjectiveadj , adverb NOTICE#not noticed 未受注意的[地] Frank slipped out of the meeting unobserved. 弗兰克悄悄地溜出了会场。
unobserved• Mr. Fong was able to enter the building unobserved.